56304940 has 12 divisors (see below), whose sum is σ = 118240416. Its totient is φ = 22521968.

The previous prime is 56304929. The next prime is 56304947. The reversal of 56304940 is 4940365.

56304940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56304947) 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 3 ways as a sum of consecutive naturals, for example, 1407604 + ... + 1407643.

It is an arithmetic number, because the mean of its divisors is an integer number (9853368).

Almost surely, 2^56304940 is an apocalyptic number.

It is an amenable number.

56304940 is an abundant number, since it is smaller than the sum of its proper divisors (61935476).

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

56304940 is a wasteful number, since it uses less digits than its factorization.

56304940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815256 (or 2815254 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 56304940 is about 7503.6617727613. The cubic root of 56304940 is about 383.2794194288.

The spelling of 56304940 in words is "fifty-six million, three hundred four thousand, nine hundred forty".