56587871656 has 16 divisors (see below), whose sum is σ = 106578057600. Its totient is φ = 28167056304.

The previous prime is 56587871629. The next prime is 56587871663. The reversal of 56587871656 is 65617878565.

56587871656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15858046 + ... + 15861613.

It is an arithmetic number, because the mean of its divisors is an integer number (6661128600).

Almost surely, 2^56587871656 is an apocalyptic number.

It is an amenable number.

56587871656 is a deficient number, since it is larger than the sum of its proper divisors (49990185944).

56587871656 is a wasteful number, since it uses less digits than its factorization.

56587871656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31719888 (or 31719884 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 64.

The spelling of 56587871656 in words is "fifty-six billion, five hundred eighty-seven million, eight hundred seventy-one thousand, six hundred fifty-six".