55000500000556 has 24 divisors (see below), whose sum is σ = 110527320576960. Its totient is φ = 23684425837200.

The previous prime is 55000500000527. The next prime is 55000500000577. The reversal of 55000500000556 is 65500000500055.

It is a super-2 number, since 2×55000500000556² (a number of 28 digits) contains 22 as substring.

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, 32895035050 + ... + 32895036721.

It is an arithmetic number, because the mean of its divisors is an integer number (4605305024040).

Almost surely, 2^{55000500000556} is an apocalyptic number.

It is an amenable number.

55000500000556 is an abundant number, since it is smaller than the sum of its proper divisors (55526820576404).

55000500000556 is a wasteful number, since it uses less digits than its factorization.

55000500000556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65790071805 (or 65790071803 counting only the distinct ones).

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

The spelling of 55000500000556 in words is "fifty-five trillion, five hundred million, five hundred fifty-six", and thus it is an aban number.