556105550550 has 96 divisors (see below), whose sum is σ = 1519414965504. Its totient is φ = 133478640000.

The previous prime is 556105550549. The next prime is 556105550563. The reversal of 556105550550 is 55055501655.

556105550550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1501834 + ... + 1835133.

It is an arithmetic number, because the mean of its divisors is an integer number (15827239224).

Almost surely, 2^556105550550 is an apocalyptic number.

556105550550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556105550550 is an abundant number, since it is smaller than the sum of its proper divisors (963309414954).

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

556105550550 is a wasteful number, since it uses less digits than its factorization.

556105550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337094 (or 3337089 counting only the distinct ones).

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

The spelling of 556105550550 in words is "five hundred fifty-six billion, one hundred five million, five hundred fifty thousand, five hundred fifty".