55005000556 has 24 divisors (see below), whose sum is σ = 111186580176. Its totient is φ = 23531550720.

The previous prime is 55005000529. The next prime is 55005000559. The reversal of 55005000556 is 65500050055.

It is not an unprimeable number, because it can be changed into a prime (55005000559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36767301 + ... + 36768796.

It is an arithmetic number, because the mean of its divisors is an integer number (4632774174).

Almost surely, 2^55005000556 is an apocalyptic number.

It is an amenable number.

55005000556 is an abundant number, since it is smaller than the sum of its proper divisors (56181579620).

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

55005000556 is a wasteful number, since it uses less digits than its factorization.

55005000556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73536129 (or 73536127 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55005000556 in words is "fifty-five billion, five million, five hundred fifty-six", and thus it is an aban number.