556705521100 has 36 divisors (see below), whose sum is σ = 1209918279024. Its totient is φ = 222338006080.

The previous prime is 556705521083. The next prime is 556705521157. The reversal of 556705521100 is 1125507655.

It is a self number, because there is not a number n which added to its sum of digits gives 556705521100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4237507 + ... + 4366906.

It is an arithmetic number, because the mean of its divisors is an integer number (33608841084).

Almost surely, 2^556705521100 is an apocalyptic number.

556705521100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

556705521100 is an abundant number, since it is smaller than the sum of its proper divisors (653212757924).

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

556705521100 is a wasteful number, since it uses less digits than its factorization.

556705521100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605074 (or 8605067 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 556705521100 in words is "five hundred fifty-six billion, seven hundred five million, five hundred twenty-one thousand, one hundred".