56811936 has 24 divisors (see below), whose sum is σ = 149131584. Its totient is φ = 18937280.

The previous prime is 56811917. The next prime is 56812013. The reversal of 56811936 is 63911865.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 56811894 and 56811903.

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, 295800 + ... + 295991.

It is an arithmetic number, because the mean of its divisors is an integer number (6213816).

Almost surely, 2^56811936 is an apocalyptic number.

It is an amenable number.

56811936 is an abundant number, since it is smaller than the sum of its proper divisors (92319648).

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

56811936 is a wasteful number, since it uses less digits than its factorization.

56811936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591804 (or 591796 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 56811936 is about 7537.3693023495. The cubic root of 56811936 is about 384.4263926788.

The spelling of 56811936 in words is "fifty-six million, eight hundred eleven thousand, nine hundred thirty-six".