56683867317 has 32 divisors (see below), whose sum is σ = 94243928064. Its totient is φ = 29441102400.

The previous prime is 56683867307. The next prime is 56683867321. The reversal of 56683867317 is 71376838665.

It is not a de Polignac number, because 56683867317 - 2⁸ = 56683867061 is a prime.

It is a super-2 number, since 2×56683867317² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56683867307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1591767 + ... + 1626987.

It is an arithmetic number, because the mean of its divisors is an integer number (2945122752).

Almost surely, 2^56683867317 is an apocalyptic number.

It is an amenable number.

56683867317 is a deficient number, since it is larger than the sum of its proper divisors (37560060747).

56683867317 is a wasteful number, since it uses less digits than its factorization.

56683867317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42209.

The product of its digits is 30481920, while the sum is 60.

The spelling of 56683867317 in words is "fifty-six billion, six hundred eighty-three million, eight hundred sixty-seven thousand, three hundred seventeen".