55560051005556 has 48 divisors (see below), whose sum is σ = 129977168444928. Its totient is φ = 18471876864000.

The previous prime is 55560051005551. The next prime is 55560051005579. The reversal of 55560051005556 is 65550015006555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560051005551) 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, 45208701 + ... + 46421403.

It is an arithmetic number, because the mean of its divisors is an integer number (2707857675936).

Almost surely, 2^{55560051005556} is an apocalyptic number.

It is an amenable number.

55560051005556 is an abundant number, since it is smaller than the sum of its proper divisors (74417117439372).

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

55560051005556 is a wasteful number, since it uses less digits than its factorization.

55560051005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222632 (or 1222630 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 55560051005556 in words is "fifty-five trillion, five hundred sixty billion, fifty-one million, five thousand, five hundred fifty-six".