56315169873 has 54 divisors (see below), whose sum is σ = 84913052562. Its totient is φ = 35963948160.

The previous prime is 56315169809. The next prime is 56315169913. The reversal of 56315169873 is 37896151365.

56315169873 is a `hidden beast` number, since 5 + 6 + 31 + 516 + 98 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42779476224 + 13535693649 = 206832^2 + 116343^2 .

It is not a de Polignac number, because 56315169873 - 2⁶ = 56315169809 is a prime.

It is a super-2 number, since 2×56315169873² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56315161873) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 167107161 + ... + 167107497.

Almost surely, 2^56315169873 is an apocalyptic number.

It is an amenable number.

56315169873 is a deficient number, since it is larger than the sum of its proper divisors (28597882689).

56315169873 is a wasteful number, since it uses less digits than its factorization.

56315169873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 510 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 56315169873 in words is "fifty-six billion, three hundred fifteen million, one hundred sixty-nine thousand, eight hundred seventy-three".