Is 55487629 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 55 487 629 is a prime number.
Indeed, the definition of a prime numbers is to have exactly two distinct positive divisors, 1 and itself. A number is a divisor of another number when the remainder of Euclid’s division of the second one by the first one is zero. Concerning the number 55 487 629, the only two divisors are 1 and 55 487 629. Therefore 55 487 629 is a prime number.
As a consequence, 55 487 629 is only a multiple of 1 and 55 487 629.
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Since 55487629 is a prime number, 55487629 is also a deficient number, that is to say 55487629 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 55487629 without 55487629 itself (that is 1, by definition!).