56571164568 has 48 divisors (see below), whose sum is σ = 155059533720. Its totient is φ = 18629859456.

The previous prime is 56571164557. The next prime is 56571164569. The reversal of 56571164568 is 86546117565.

56571164568 is a `hidden beast` number, since 5 + 6 + 5 + 7 + 11 + 64 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56571164569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4727221 + ... + 4739172.

Almost surely, 2^56571164568 is an apocalyptic number.

It is an amenable number.

56571164568 is an abundant number, since it is smaller than the sum of its proper divisors (98488369152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56571164568 is a wasteful number, since it uses less digits than its factorization.

56571164568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9466488 (or 9466481 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 56571164568 in words is "fifty-six billion, five hundred seventy-one million, one hundred sixty-four thousand, five hundred sixty-eight".