Is 55509 a prime number?

55 509 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 55 509 is about 235.603.

Thus, the square root of 55 509 is not an integer, and therefore 55 509 is not a square number.

The square of a number (here 55 509) is the result of the product of this number (55 509) by itself (i.e., 55 509 × 55 509); the square of 55 509 is sometimes called "raising 55 509 to the power 2", or "55 509 squared".

The square of 55 509 is 3 081 249 081 because 55 509 × 55 509 = 55 509² = 3 081 249 081.

As a consequence, 55 509 is the square root of 3 081 249 081.

55 509 is a number with 5 digits.

The multiples of 55 509 are all integers evenly divisible by 55 509, that is all numbers such that the remainder of the division by 55 509 is zero. There are infinitely many multiples of 55 509. The smallest multiples of 55 509 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 55 509 too, since 0 × 55 509 = 0
• 55 509: indeed, 55 509 is a multiple of itself, since 55 509 is evenly divisible by 55 509 (we have 55 509 / 55 509 = 1, so the remainder of this division is indeed zero)
• 111 018: indeed, 111 018 = 55 509 × 2
• 166 527: indeed, 166 527 = 55 509 × 3
• 222 036: indeed, 222 036 = 55 509 × 4
• 277 545: indeed, 277 545 = 55 509 × 5
• etc.

• Preceding numbers: …55 507, 55 508
• Following numbers: 55 510, 55 511…

Nearest numbers from 55 509

• Preceding prime number: 55 501
• Following prime number: 55 511

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• 55 509 est-il un nombre premier ?