56318297 has 36 divisors (see below), whose sum is σ = 72025884. Its totient is φ = 43868160.

The previous prime is 56318287. The next prime is 56318303. The reversal of 56318297 is 79281365.

It can be written as a sum of positive squares in 6 ways, for example, as 8281 + 56310016 = 91^2 + 7504^2 .

It is not a de Polignac number, because 56318297 - 2⁴ = 56318281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

Its product of digits (90720) is a multiple of the sum of its prime divisors (162).

It is not an unprimeable number, because it can be changed into a prime (56318287) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 580553 + ... + 580649.

It is an arithmetic number, because the mean of its divisors is an integer number (2000719).

Almost surely, 2^56318297 is an apocalyptic number.

It is an amenable number.

56318297 is a deficient number, since it is larger than the sum of its proper divisors (15707587).

56318297 is a wasteful number, since it uses less digits than its factorization.

56318297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 162 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 56318297 is about 7504.5517521035. The cubic root of 56318297 is about 383.3097249901.

The spelling of 56318297 in words is "fifty-six million, three hundred eighteen thousand, two hundred ninety-seven".