56318140 has 24 divisors (see below), whose sum is σ = 118475280. Its totient is φ = 22487808.

The previous prime is 56318111. The next prime is 56318153. The reversal of 56318140 is 4181365.

It is a junction number, because it is equal to n+sod(n) for n = 56318099 and 56318108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11044 + ... + 15316.

It is an arithmetic number, because the mean of its divisors is an integer number (4936470).

Almost surely, 2^56318140 is an apocalyptic number.

It is an amenable number.

56318140 is an abundant number, since it is smaller than the sum of its proper divisors (62157140).

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

56318140 is a wasteful number, since it uses less digits than its factorization.

56318140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941 (or 4939 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 56318140 is about 7504.5412917779. The cubic root of 56318140 is about 383.3093688022.

The spelling of 56318140 in words is "fifty-six million, three hundred eighteen thousand, one hundred forty".