56560056516 has 192 divisors, whose sum is σ = 164439797760. Its totient is φ = 16718676480.

The previous prime is 56560056467. The next prime is 56560056521. The reversal of 56560056516 is 61565006565.

It is a super-2 number, since 2×56560056516² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2819281 + ... + 2839271.

It is an arithmetic number, because the mean of its divisors is an integer number (856457280).

Almost surely, 2^56560056516 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 56560056516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82219898880).

56560056516 is an abundant number, since it is smaller than the sum of its proper divisors (107879741244).

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

56560056516 is a wasteful number, since it uses less digits than its factorization.

56560056516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111 (or 20103 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 56560056516 in words is "fifty-six billion, five hundred sixty million, fifty-six thousand, five hundred sixteen".