56185520808 has 32 divisors (see below), whose sum is σ = 145307383200. Its totient is φ = 18082696128.

The previous prime is 56185520803. The next prime is 56185520827. The reversal of 56185520808 is 80802558165.

It is not an unprimeable number, because it can be changed into a prime (56185520803) 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, 40362466 + ... + 40363857.

It is an arithmetic number, because the mean of its divisors is an integer number (4540855725).

Almost surely, 2^56185520808 is an apocalyptic number.

56185520808 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

56185520808 is an abundant number, since it is smaller than the sum of its proper divisors (89121862392).

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

56185520808 is a wasteful number, since it uses less digits than its factorization.

56185520808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80726361 (or 80726357 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The spelling of 56185520808 in words is "fifty-six billion, one hundred eighty-five million, five hundred twenty thousand, eight hundred eight".