56320920080 has 20 divisors (see below), whose sum is σ = 130946139372. Its totient is φ = 22528368000.

The previous prime is 56320920053. The next prime is 56320920091. The reversal of 56320920080 is 8002902365.

It can be written as a sum of positive squares in 2 ways, for example, as 24241244416 + 32079675664 = 155696^2 + 179108^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 56320920080.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352005671 + ... + 352005830.

Almost surely, 2^56320920080 is an apocalyptic number.

It is an amenable number.

56320920080 is an abundant number, since it is smaller than the sum of its proper divisors (74625219292).

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

56320920080 is a wasteful number, since it uses less digits than its factorization.

56320920080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704011514 (or 704011508 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 56320920080 in words is "fifty-six billion, three hundred twenty million, nine hundred twenty thousand, eighty".