56231597 has 12 divisors (see below), whose sum is σ = 60122880. Its totient is φ = 52579776.

The previous prime is 56231561. The next prime is 56231611. The reversal of 56231597 is 79513265.

It is a happy number.

56231597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56231597 - 2⁸ = 56231341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56231597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56231537) 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 11 ways as a sum of consecutive naturals, for example, 51188 + ... + 52274.

It is an arithmetic number, because the mean of its divisors is an integer number (5010240).

Almost surely, 2^56231597 is an apocalyptic number.

It is an amenable number.

56231597 is a deficient number, since it is larger than the sum of its proper divisors (3891283).

56231597 is a wasteful number, since it uses less digits than its factorization.

56231597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1283 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 56231597 is about 7498.7730329701. The cubic root of 56231597 is about 383.1129267725.

The spelling of 56231597 in words is "fifty-six million, two hundred thirty-one thousand, five hundred ninety-seven".