555556563232 has 96 divisors (see below), whose sum is σ = 1257390739584. Its totient is φ = 239154432000.

The previous prime is 555556563203. The next prime is 555556563257. The reversal of 555556563232 is 232365655555.

It is a self number, because there is not a number n which added to its sum of digits gives 555556563232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477988 + ... + 1157404.

It is an arithmetic number, because the mean of its divisors is an integer number (13097820204).

Almost surely, 2^555556563232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555556563232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628695369792).

555556563232 is an abundant number, since it is smaller than the sum of its proper divisors (701834176352).

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

555556563232 is a wasteful number, since it uses less digits than its factorization.

555556563232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679562 (or 679554 counting only the distinct ones).

The product of its digits is 20250000, while the sum is 52.

The spelling of 555556563232 in words is "five hundred fifty-five billion, five hundred fifty-six million, five hundred sixty-three thousand, two hundred thirty-two".