56712528328 has 64 divisors (see below), whose sum is σ = 112670913600. Its totient is φ = 26687232000.

The previous prime is 56712528289. The next prime is 56712528337. The reversal of 56712528328 is 82382521765.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16518100 + ... + 16521532.

It is an arithmetic number, because the mean of its divisors is an integer number (1760483025).

Almost surely, 2^56712528328 is an apocalyptic number.

It is an amenable number.

56712528328 is a deficient number, since it is larger than the sum of its proper divisors (55958385272).

56712528328 is a wasteful number, since it uses less digits than its factorization.

56712528328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142 (or 4138 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The spelling of 56712528328 in words is "fifty-six billion, seven hundred twelve million, five hundred twenty-eight thousand, three hundred twenty-eight".