56577220712 has 8 divisors (see below), whose sum is σ = 106082288850. Its totient is φ = 28288610352.

The previous prime is 56577220649. The next prime is 56577220741. The reversal of 56577220712 is 21702277565.

It can be written as a sum of positive squares in only one way, i.e., 36249875236 + 20327345476 = 190394^2 + 142574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536076287 + ... + 3536076302.

Almost surely, 2^56577220712 is an apocalyptic number.

It is an amenable number.

56577220712 is a deficient number, since it is larger than the sum of its proper divisors (49505068138).

56577220712 is a wasteful number, since it uses less digits than its factorization.

56577220712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072152595 (or 7072152591 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 56577220712 in words is "fifty-six billion, five hundred seventy-seven million, two hundred twenty thousand, seven hundred twelve".