550555100556 has 12 divisors (see below), whose sum is σ = 1284628567992. Its totient is φ = 183518366848.

The previous prime is 550555100489. The next prime is 550555100603. The reversal of 550555100556 is 655001555055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×550555100556³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22939795845 + ... + 22939795868.

It is an arithmetic number, because the mean of its divisors is an integer number (107052380666).

Almost surely, 2^550555100556 is an apocalyptic number.

It is an amenable number.

550555100556 is an abundant number, since it is smaller than the sum of its proper divisors (734073467436).

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

550555100556 is a wasteful number, since it uses less digits than its factorization.

550555100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45879591720 (or 45879591718 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 550555100556 in words is "five hundred fifty billion, five hundred fifty-five million, one hundred thousand, five hundred fifty-six".