56428008 has 96 divisors (see below), whose sum is σ = 176772960. Its totient is φ = 14878080.

The previous prime is 56428007. The next prime is 56428033. The reversal of 56428008 is 80082465.

56428008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56428008.

It is not an unprimeable number, because it can be changed into a prime (56428007) 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 23 ways as a sum of consecutive naturals, for example, 13443 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (1841385).

Almost surely, 2^56428008 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 56428008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88386480).

56428008 is an abundant number, since it is smaller than the sum of its proper divisors (120344952).

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

56428008 is a wasteful number, since it uses less digits than its factorization.

56428008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3716 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 56428008 is about 7511.8578261306. The cubic root of 56428008 is about 383.5584660307.

The spelling of 56428008 in words is "fifty-six million, four hundred twenty-eight thousand, eight".