55080000556 has 48 divisors (see below), whose sum is σ = 116284392000. Its totient is φ = 22791707904.

The previous prime is 55080000539. The next prime is 55080000557. The reversal of 55080000556 is 65500008055.

It is a super-2 number, since 2×55080000556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55080000557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652381 + ... + 731956.

It is an arithmetic number, because the mean of its divisors is an integer number (2422591500).

Almost surely, 2^55080000556 is an apocalyptic number.

It is an amenable number.

55080000556 is an abundant number, since it is smaller than the sum of its proper divisors (61204391444).

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

55080000556 is a wasteful number, since it uses less digits than its factorization.

55080000556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384391 (or 1384375 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 55080000556 in words is "fifty-five billion, eighty million, five hundred fifty-six", and thus it is an aban number.