56812 has 12 divisors (see below), whose sum is σ = 113680. Its totient is φ = 24336.

The previous prime is 56809. The next prime is 56813. The reversal of 56812 is 21865.

56812 = T₈₃ + T₈₄ + ... + T₉₆.

It is a happy number.

56812 is an admirable number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56813) by changing a digit.

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, 987 + ... + 1042.

2⁵⁶⁸¹² is an apocalyptic number.

It is an amenable number.

56812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56840).

56812 is a wasteful number, since it uses less digits than its factorization.

56812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2038 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 56812 is about 238.3526798675. The cubic root of 56812 is about 38.4426537034.

It can be divided in two parts, 56 and 812, that added together give a palindrome (868).

The spelling of 56812 in words is "fifty-six thousand, eight hundred twelve".