55500050556 has 24 divisors (see below), whose sum is σ = 143889020240. Its totient is φ = 18500016816.

The previous prime is 55500050549. The next prime is 55500050561. The reversal of 55500050556 is 65505000555.

55500050556 is a `hidden beast` number, since 5 + 5 + 50 + 0 + 0 + 50 + 556 = 666.

55500050556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55500050556² (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55500050556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256944571 + ... + 256944786.

Almost surely, 2^55500050556 is an apocalyptic number.

It is an amenable number.

55500050556 is an abundant number, since it is smaller than the sum of its proper divisors (88388969684).

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

55500050556 is a wasteful number, since it uses less digits than its factorization.

55500050556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513889370 (or 513889362 counting only the distinct ones).

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

The spelling of 55500050556 in words is "fifty-five billion, five hundred million, fifty thousand, five hundred fifty-six".