56577220713 has 16 divisors (see below), whose sum is σ = 90265651840. Its totient is φ = 34816750992.

The previous prime is 56577220649. The next prime is 56577220741. The reversal of 56577220713 is 31702277565.

56577220713 is a `hidden beast` number, since 5 + 6 + 577 + 2 + 2 + 0 + 71 + 3 = 666.

It is not a de Polignac number, because 56577220713 - 2⁶ = 56577220649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56577228713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80593981 + ... + 80594682.

It is an arithmetic number, because the mean of its divisors is an integer number (5641603240).

Almost surely, 2^56577220713 is an apocalyptic number.

It is an amenable number.

56577220713 is a deficient number, since it is larger than the sum of its proper divisors (33688431127).

56577220713 is a wasteful number, since it uses less digits than its factorization.

56577220713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161188685 (or 161188679 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 56577220713 in words is "fifty-six billion, five hundred seventy-seven million, two hundred twenty thousand, seven hundred thirteen".