56617877952 has 84 divisors (see below), whose sum is σ = 162317893296. Its totient is φ = 18868792320.

The previous prime is 56617877873. The next prime is 56617877969. The reversal of 56617877952 is 25977871665.

56617877952 is a `hidden beast` number, since 5 + 6 + 617 + 8 + 7 + 7 + 9 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56617877952.

It is a congruent number.

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, 5067252 + ... + 5078412.

Almost surely, 2^56617877952 is an apocalyptic number.

It is an amenable number.

56617877952 is an abundant number, since it is smaller than the sum of its proper divisors (105700015344).

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

56617877952 is a wasteful number, since it uses less digits than its factorization.

56617877952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19986 (or 19973 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 63.

The spelling of 56617877952 in words is "fifty-six billion, six hundred seventeen million, eight hundred seventy-seven thousand, nine hundred fifty-two".