556505500000 has 84 divisors (see below), whose sum is σ = 1369508954436. Its totient is φ = 222602000000.

The previous prime is 556505499989. The next prime is 556505500051. The reversal of 556505500000 is 5505655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 56506 + ... + 1056505.

It is an arithmetic number, because the mean of its divisors is an integer number (16303678029).

Almost surely, 2^556505500000 is an apocalyptic number.

556505500000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556505500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684754477218).

556505500000 is an abundant number, since it is smaller than the sum of its proper divisors (813003454436).

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

556505500000 is an frugal number, since it uses more digits than its factorization.

556505500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113051 (or 1113018 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 556505500000 in words is "five hundred fifty-six billion, five hundred five million, five hundred thousand".