56607831 has 24 divisors (see below), whose sum is σ = 94849664. Its totient is φ = 31862160.

The previous prime is 56607809. The next prime is 56607871. The reversal of 56607831 is 13870665.

It is not a de Polignac number, because 56607831 - 2¹⁹ = 56083543 is a prime.

It is a super-2 number, since 2×56607831² = 6408893061049122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56607871) 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, 2485 + ... + 10926.

Almost surely, 2^56607831 is an apocalyptic number.

56607831 is a deficient number, since it is larger than the sum of its proper divisors (38241833).

56607831 is a wasteful number, since it uses less digits than its factorization.

56607831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491 (or 13488 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 56607831 is about 7523.8175815207. The cubic root of 56607831 is about 383.9654713419.

The spelling of 56607831 in words is "fifty-six million, six hundred seven thousand, eight hundred thirty-one".