5555500056 has 24 divisors (see below), whose sum is σ = 15046146180. Its totient is φ = 1851833328.

The previous prime is 5555500039. The next prime is 5555500099. The reversal of 5555500056 is 6500055555.

5555500056 is a `hidden beast` number, since 5 + 55 + 550 + 0 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38579790 + ... + 38579933.

Almost surely, 2^5555500056 is an apocalyptic number.

It is an amenable number.

5555500056 is an abundant number, since it is smaller than the sum of its proper divisors (9490646124).

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

5555500056 is a wasteful number, since it uses less digits than its factorization.

5555500056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77159735 (or 77159728 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 5555500056 is about 74535.2269467263. The cubic root of 5555500056 is about 1771.0917175769.

The spelling of 5555500056 in words is "five billion, five hundred fifty-five million, five hundred thousand, fifty-six".