56811496 has 32 divisors (see below), whose sum is σ = 123742080. Its totient is φ = 23947200.

The previous prime is 56811487. The next prime is 56811497. The reversal of 56811496 is 69411865.

It is not an unprimeable number, because it can be changed into a prime (56811497) 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, 4900 + ... + 11731.

It is an arithmetic number, because the mean of its divisors is an integer number (3866940).

Almost surely, 2^56811496 is an apocalyptic number.

56811496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56811496 is an abundant number, since it is smaller than the sum of its proper divisors (66930584).

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

56811496 is a wasteful number, since it uses less digits than its factorization.

56811496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16705 (or 16701 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 56811496 is about 7537.3401143905. The cubic root of 56811496 is about 384.4254002345.

The spelling of 56811496 in words is "fifty-six million, eight hundred eleven thousand, four hundred ninety-six".