56577540360 has 128 divisors (see below), whose sum is σ = 185823020160. Its totient is φ = 13666867200.

The previous prime is 56577540359. The next prime is 56577540361. The reversal of 56577540360 is 6304577565.

It is an interprime number because it is at equal distance from previous prime (56577540359) and next prime (56577540361).

It is not an unprimeable number, because it can be changed into a prime (56577540361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294654 + ... + 447186.

It is an arithmetic number, because the mean of its divisors is an integer number (1451742345).

Almost surely, 2^56577540360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56577540360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92911510080).

56577540360 is an abundant number, since it is smaller than the sum of its proper divisors (129245479800).

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

56577540360 is a wasteful number, since it uses less digits than its factorization.

56577540360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152839 (or 152835 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 56577540360 in words is "fifty-six billion, five hundred seventy-seven million, five hundred forty thousand, three hundred sixty".