56315627856 has 120 divisors (see below), whose sum is σ = 161443012224. Its totient is φ = 18317214720.

The previous prime is 56315627843. The next prime is 56315627869. The reversal of 56315627856 is 65872651365.

It is a happy number.

56315627856 is a `hidden beast` number, since 5 + 6 + 3 + 1 + 5 + 627 + 8 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (56315627843) and next prime (56315627869).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2268471 + ... + 2293161.

Almost surely, 2^56315627856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56315627856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80721506112).

56315627856 is an abundant number, since it is smaller than the sum of its proper divisors (105127384368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56315627856 is a wasteful number, since it uses less digits than its factorization.

56315627856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25089 (or 25080 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 56315627856 in words is "fifty-six billion, three hundred fifteen million, six hundred twenty-seven thousand, eight hundred fifty-six".