56255448440 has 16 divisors (see below), whose sum is σ = 126574759080. Its totient is φ = 22502179360.

The previous prime is 56255448439. The next prime is 56255448467. The reversal of 56255448440 is 4484455265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703193066 + ... + 703193145.

Almost surely, 2^56255448440 is an apocalyptic number.

It is an amenable number.

56255448440 is an abundant number, since it is smaller than the sum of its proper divisors (70319310640).

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

56255448440 is a wasteful number, since it uses less digits than its factorization.

56255448440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406386222 (or 1406386218 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 47.

The spelling of 56255448440 in words is "fifty-six billion, two hundred fifty-five million, four hundred forty-eight thousand, four hundred forty".