56861312072 has 16 divisors (see below), whose sum is σ = 106688458800. Its totient is φ = 28411056400.

The previous prime is 56861312051. The next prime is 56861312087. The reversal of 56861312072 is 27021316865.

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, 2437622 + ... + 2460837.

It is an arithmetic number, because the mean of its divisors is an integer number (6668028675).

Almost surely, 2^56861312072 is an apocalyptic number.

It is an amenable number.

56861312072 is a deficient number, since it is larger than the sum of its proper divisors (49827146728).

56861312072 is a wasteful number, since it uses less digits than its factorization.

56861312072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899916 (or 4899912 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 56861312072 in words is "fifty-six billion, eight hundred sixty-one million, three hundred twelve thousand, seventy-two".