56516645036 has 12 divisors (see below), whose sum is σ = 99173624928. Its totient is φ = 28181323632.

The previous prime is 56516645021. The next prime is 56516645047. The reversal of 56516645036 is 63054661565.

It is a super-2 number, since 2×56516645036² (a number of 22 digits) contains 22 as substring.

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, 19248071 + ... + 19251006.

It is an arithmetic number, because the mean of its divisors is an integer number (8264468744).

Almost surely, 2^56516645036 is an apocalyptic number.

It is an amenable number.

56516645036 is a deficient number, since it is larger than the sum of its proper divisors (42656979892).

56516645036 is a wasteful number, since it uses less digits than its factorization.

56516645036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38499448 (or 38499446 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 56516645036 in words is "fifty-six billion, five hundred sixteen million, six hundred forty-five thousand, thirty-six".