56631863601 has 24 divisors (see below), whose sum is σ = 82241970720. Its totient is φ = 37551862656.

The previous prime is 56631863593. The next prime is 56631863653. The reversal of 56631863601 is 10636813665.

56631863601 is a `hidden beast` number, since 5 + 6 + 6 + 3 + 1 + 8 + 636 + 0 + 1 = 666.

56631863601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56631863601 - 2³ = 56631863593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56631865601) 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, 1248546 + ... + 1293108.

It is an arithmetic number, because the mean of its divisors is an integer number (3426748780).

Almost surely, 2^56631863601 is an apocalyptic number.

It is an amenable number.

56631863601 is a deficient number, since it is larger than the sum of its proper divisors (25610107119).

56631863601 is a wasteful number, since it uses less digits than its factorization.

56631863601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45325 (or 45322 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 56631863601 in words is "fifty-six billion, six hundred thirty-one million, eight hundred sixty-three thousand, six hundred one".