56976631 has 4 divisors (see below), whose sum is σ = 57031000. Its totient is φ = 56922264.

The previous prime is 56976527. The next prime is 56976653. The reversal of 56976631 is 13667965.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56976631 - 2¹¹ = 56974583 is a prime.

It is a super-2 number, since 2×56976631² = 6492672960220322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56970631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25581 + ... + 27718.

It is an arithmetic number, because the mean of its divisors is an integer number (14257750).

Almost surely, 2^56976631 is an apocalyptic number.

56976631 is a deficient number, since it is larger than the sum of its proper divisors (54369).

56976631 is a wasteful number, since it uses less digits than its factorization.

56976631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54368.

The product of its digits is 204120, while the sum is 43.

The square root of 56976631 is about 7548.2866267783. The cubic root of 56976631 is about 384.7975120070.

The spelling of 56976631 in words is "fifty-six million, nine hundred seventy-six thousand, six hundred thirty-one".