56455812 has 96 divisors (see below), whose sum is σ = 170553600. Its totient is φ = 15814656.

The previous prime is 56455807. The next prime is 56455813. The reversal of 56455812 is 21855465.

56455812 is a `hidden beast` number, since 5 + 645 + 5 + 8 + 1 + 2 = 666.

56455812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56455813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39364 + ... + 40772.

It is an arithmetic number, because the mean of its divisors is an integer number (1776600).

Almost surely, 2^56455812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56455812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85276800).

56455812 is an abundant number, since it is smaller than the sum of its proper divisors (114097788).

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

56455812 is a wasteful number, since it uses less digits than its factorization.

56455812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1474 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 56455812 is about 7513.7082722182. The cubic root of 56455812 is about 383.6214531233.

The spelling of 56455812 in words is "fifty-six million, four hundred fifty-five thousand, eight hundred twelve".