56256506530 has 24 divisors (see below), whose sum is σ = 117794237148. Its totient is φ = 19287944928.

The previous prime is 56256506513. The next prime is 56256506557. The reversal of 56256506530 is 3560565265.

It can be written as a sum of positive squares in 2 ways, for example, as 52558772049 + 3697734481 = 229257^2 + 60809^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57404109 + ... + 57405088.

Almost surely, 2^56256506530 is an apocalyptic number.

56256506530 is an abundant number, since it is smaller than the sum of its proper divisors (61537730618).

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

56256506530 is a wasteful number, since it uses less digits than its factorization.

56256506530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114809218 (or 114809211 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 56256506530 in words is "fifty-six billion, two hundred fifty-six million, five hundred six thousand, five hundred thirty".