5555555500556 has 48 divisors (see below), whose sum is σ = 10254386738400. Its totient is φ = 2626318743552.

The previous prime is 5555555500519. The next prime is 5555555500603. The reversal of 5555555500556 is 6550055555555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135503996 + ... + 135544988.

It is an arithmetic number, because the mean of its divisors is an integer number (213633057050).

Almost surely, 2^{5555555500556} is an apocalyptic number.

It is an amenable number.

5555555500556 is a deficient number, since it is larger than the sum of its proper divisors (4698831237844).

5555555500556 is a wasteful number, since it uses less digits than its factorization.

5555555500556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44538 (or 44536 counting only the distinct ones).

The product of its (nonzero) digits is 58593750, while the sum is 56.

The spelling of 5555555500556 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred thousand, five hundred fifty-six".