56631083427 has 24 divisors (see below), whose sum is σ = 82127652048. Its totient is φ = 37603238400.

The previous prime is 56631083407. The next prime is 56631083459. The reversal of 56631083427 is 72438013665.

56631083427 is a `hidden beast` number, since 5 + 6 + 631 + 0 + 8 + 3 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 56631083427 - 2⁶ = 56631083363 is a prime.

It is a super-2 number, since 2×56631083427² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56631083407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3826552 + ... + 3841322.

It is an arithmetic number, because the mean of its divisors is an integer number (3421985502).

Almost surely, 2^56631083427 is an apocalyptic number.

56631083427 is a deficient number, since it is larger than the sum of its proper divisors (25496568621).

56631083427 is a wasteful number, since it uses less digits than its factorization.

56631083427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16451 (or 16448 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 56631083427 in words is "fifty-six billion, six hundred thirty-one million, eighty-three thousand, four hundred twenty-seven".