56140685 has 8 divisors (see below), whose sum is σ = 69012216. Its totient is φ = 43816960.

The previous prime is 56140663. The next prime is 56140697. The reversal of 56140685 is 58604165.

It is a happy number.

56140685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 100489 + 56040196 = 317^2 + 7486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56140685 - 2²² = 51946381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 136724 + ... + 137133.

It is an arithmetic number, because the mean of its divisors is an integer number (8626527).

Almost surely, 2^56140685 is an apocalyptic number.

It is an amenable number.

56140685 is a deficient number, since it is larger than the sum of its proper divisors (12871531).

56140685 is a wasteful number, since it uses less digits than its factorization.

56140685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273903.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 56140685 is about 7492.7087892164. The cubic root of 56140685 is about 382.9063504508.

The spelling of 56140685 in words is "fifty-six million, one hundred forty thousand, six hundred eighty-five".