56577582738 has 12 divisors (see below), whose sum is σ = 122584762638. Its totient is φ = 18859194240.

The previous prime is 56577582713. The next prime is 56577582757. The reversal of 56577582738 is 83728577565.

56577582738 is a `hidden beast` number, since 5 + 6 + 577 + 5 + 8 + 27 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52861826889 + 3715755849 = 229917^2 + 60957^2 .

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, 1571599503 + ... + 1571599538.

Almost surely, 2^56577582738 is an apocalyptic number.

56577582738 is an abundant number, since it is smaller than the sum of its proper divisors (66007179900).

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

56577582738 is a wasteful number, since it uses less digits than its factorization.

56577582738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143199049 (or 3143199046 counting only the distinct ones).

The product of its digits is 98784000, while the sum is 63.

The spelling of 56577582738 in words is "fifty-six billion, five hundred seventy-seven million, five hundred eighty-two thousand, seven hundred thirty-eight".