56597668317 has 12 divisors (see below), whose sum is σ = 82253736864. Its totient is φ = 37500294600.

The previous prime is 56597668313. The next prime is 56597668343. The reversal of 56597668317 is 71386679565.

56597668317 is a `hidden beast` number, since 5 + 6 + 597 + 6 + 6 + 8 + 31 + 7 = 666.

It is not a de Polignac number, because 56597668317 - 2² = 56597668313 is a prime.

It is a super-2 number, since 2×56597668317² (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 (56597668313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19288809 + ... + 19291742.

It is an arithmetic number, because the mean of its divisors is an integer number (6854478072).

Almost surely, 2^56597668317 is an apocalyptic number.

It is an amenable number.

56597668317 is a deficient number, since it is larger than the sum of its proper divisors (25656068547).

56597668317 is a wasteful number, since it uses less digits than its factorization.

56597668317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38580720 (or 38580717 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 63.

The spelling of 56597668317 in words is "fifty-six billion, five hundred ninety-seven million, six hundred sixty-eight thousand, three hundred seventeen".