56985398568 has 48 divisors (see below), whose sum is σ = 176383378080. Its totient is φ = 16281542304.

The previous prime is 56985398527. The next prime is 56985398581. The reversal of 56985398568 is 86589358965.

56985398568 is a `hidden beast` number, since 5 + 6 + 9 + 8 + 53 + 9 + 8 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 56985398496 and 56985398505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56532630 + ... + 56533637.

It is an arithmetic number, because the mean of its divisors is an integer number (3674653710).

Almost surely, 2^56985398568 is an apocalyptic number.

It is an amenable number.

56985398568 is an abundant number, since it is smaller than the sum of its proper divisors (119397979512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56985398568 is a wasteful number, since it uses less digits than its factorization.

56985398568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113066286 (or 113066279 counting only the distinct ones).

The product of its digits is 559872000, while the sum is 72.

The spelling of 56985398568 in words is "fifty-six billion, nine hundred eighty-five million, three hundred ninety-eight thousand, five hundred sixty-eight".