56011808 has 24 divisors (see below), whose sum is σ = 115069248. Its totient is φ = 26787904.

The previous prime is 56011793. The next prime is 56011819. The reversal of 56011808 is 80811065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37316 + ... + 38787.

It is an arithmetic number, because the mean of its divisors is an integer number (4794552).

Almost surely, 2^56011808 is an apocalyptic number.

It is an amenable number.

56011808 is an abundant number, since it is smaller than the sum of its proper divisors (59057440).

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

56011808 is a wasteful number, since it uses less digits than its factorization.

56011808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76136 (or 76128 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 56011808 is about 7484.1036871492. The cubic root of 56011808 is about 382.6131250116.

The spelling of 56011808 in words is "fifty-six million, eleven thousand, eight hundred eight".