56742857568 has 36 divisors (see below), whose sum is σ = 161362502028. Its totient is φ = 18914285760.

The previous prime is 56742857557. The next prime is 56742857573. The reversal of 56742857568 is 86575824765.

56742857568 is a `hidden beast` number, since 5 + 67 + 4 + 2 + 8 + 5 + 7 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98511618 + ... + 98512193.

It is an arithmetic number, because the mean of its divisors is an integer number (4482291723).

Almost surely, 2^56742857568 is an apocalyptic number.

It is an amenable number.

56742857568 is an abundant number, since it is smaller than the sum of its proper divisors (104619644460).

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

56742857568 is a wasteful number, since it uses less digits than its factorization.

56742857568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197023827 (or 197023816 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 56742857568 in words is "fifty-six billion, seven hundred forty-two million, eight hundred fifty-seven thousand, five hundred sixty-eight".