56510055156 has 48 divisors (see below), whose sum is σ = 135570113280. Its totient is φ = 18307336320.

The previous prime is 56510055143. The next prime is 56510055163. The reversal of 56510055156 is 65155001565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334630 + ... + 474338.

It is an arithmetic number, because the mean of its divisors is an integer number (2824377360).

Almost surely, 2^56510055156 is an apocalyptic number.

It is an amenable number.

56510055156 is an abundant number, since it is smaller than the sum of its proper divisors (79060058124).

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

56510055156 is a wasteful number, since it uses less digits than its factorization.

56510055156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140664 (or 140662 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 56510055156 in words is "fifty-six billion, five hundred ten million, fifty-five thousand, one hundred fifty-six".