56791901625 has 16 divisors (see below), whose sum is σ = 94501724928. Its totient is φ = 30289014000.

The previous prime is 56791901623. The next prime is 56791901629. The reversal of 56791901625 is 52610919765.

It is not a de Polignac number, because 56791901625 - 2¹ = 56791901623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56791901623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75722161 + ... + 75722910.

It is an arithmetic number, because the mean of its divisors is an integer number (5906357808).

Almost surely, 2^56791901625 is an apocalyptic number.

It is an amenable number.

56791901625 is a deficient number, since it is larger than the sum of its proper divisors (37709823303).

56791901625 is a wasteful number, since it uses less digits than its factorization.

56791901625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151445089 (or 151445079 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 56791901625 in words is "fifty-six billion, seven hundred ninety-one million, nine hundred one thousand, six hundred twenty-five".