56575645480 has 32 divisors (see below), whose sum is σ = 127345724640. Its totient is φ = 22621276480.

The previous prime is 56575645447. The next prime is 56575645481. The reversal of 56575645480 is 8454657565.

56575645480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56575645480² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56575645481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178174 + ... + 380653.

It is an arithmetic number, because the mean of its divisors is an integer number (3979553895).

Almost surely, 2^56575645480 is an apocalyptic number.

It is an amenable number.

56575645480 is an abundant number, since it is smaller than the sum of its proper divisors (70770079160).

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

56575645480 is a wasteful number, since it uses less digits than its factorization.

56575645480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561369 (or 561365 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 55.

The spelling of 56575645480 in words is "fifty-six billion, five hundred seventy-five million, six hundred forty-five thousand, four hundred eighty".