56157162253 has 6 divisors (see below), whose sum is σ = 58027120782. Its totient is φ = 54345639960.

The previous prime is 56157162241. The next prime is 56157162283. The reversal of 56157162253 is 35226175165.

It can be written as a sum of positive squares in only one way, i.e., 43681836004 + 12475326249 = 209002^2 + 111693^2 .

It is not a de Polignac number, because 56157162253 - 2²⁵ = 56123607821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56157162283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29217126 + ... + 29219047.

It is an arithmetic number, because the mean of its divisors is an integer number (9671186797).

Almost surely, 2^56157162253 is an apocalyptic number.

It is an amenable number.

56157162253 is a deficient number, since it is larger than the sum of its proper divisors (1869958529).

56157162253 is an equidigital number, since it uses as much as digits as its factorization.

56157162253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58436235 (or 58436204 counting only the distinct ones).

The product of its digits is 378000, while the sum is 43.

The spelling of 56157162253 in words is "fifty-six billion, one hundred fifty-seven million, one hundred sixty-two thousand, two hundred fifty-three".