56575646685 has 24 divisors (see below), whose sum is σ = 103225742880. Its totient is φ = 28585589472.

The previous prime is 56575646683. The next prime is 56575646711. The reversal of 56575646685 is 58664657565.

56575646685 is a `hidden beast` number, since 5 + 6 + 5 + 7 + 564 + 6 + 68 + 5 = 666.

It is not a de Polignac number, because 56575646685 - 2¹ = 56575646683 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56575646681) 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, 33084319 + ... + 33086028.

It is an arithmetic number, because the mean of its divisors is an integer number (4301072620).

Almost surely, 2^56575646685 is an apocalyptic number.

It is an amenable number.

56575646685 is a deficient number, since it is larger than the sum of its proper divisors (46650096195).

56575646685 is a wasteful number, since it uses less digits than its factorization.

56575646685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66170377 (or 66170374 counting only the distinct ones).

The product of its digits is 181440000, while the sum is 63.

The spelling of 56575646685 in words is "fifty-six billion, five hundred seventy-five million, six hundred forty-six thousand, six hundred eighty-five".