56106968520 has 128 divisors (see below), whose sum is σ = 169451792640. Its totient is φ = 14861660160.

The previous prime is 56106968513. The next prime is 56106968557. The reversal of 56106968520 is 2586960165.

It is a self number, because there is not a number n which added to its sum of digits gives 56106968520.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12775525 + ... + 12779915.

It is an arithmetic number, because the mean of its divisors is an integer number (1323842130).

Almost surely, 2^56106968520 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 56106968520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84725896320).

56106968520 is an abundant number, since it is smaller than the sum of its proper divisors (113344824120).

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

56106968520 is a wasteful number, since it uses less digits than its factorization.

56106968520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 56106968520 in words is "fifty-six billion, one hundred six million, nine hundred sixty-eight thousand, five hundred twenty".