55256524631 has 32 divisors (see below), whose sum is σ = 69456199680. Its totient is φ = 42705093600.

The previous prime is 55256524627. The next prime is 55256524649. The reversal of 55256524631 is 13642565255.

It is a cyclic number.

It is not a de Polignac number, because 55256524631 - 2² = 55256524627 is a prime.

It is a super-2 number, since 2×55256524631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55256524231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6154976 + ... + 6163946.

It is an arithmetic number, because the mean of its divisors is an integer number (2170506240).

Almost surely, 2^55256524631 is an apocalyptic number.

55256524631 is a deficient number, since it is larger than the sum of its proper divisors (14199675049).

55256524631 is a wasteful number, since it uses less digits than its factorization.

55256524631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635.

The product of its digits is 1080000, while the sum is 44.

The spelling of 55256524631 in words is "fifty-five billion, two hundred fifty-six million, five hundred twenty-four thousand, six hundred thirty-one".