556338944 has 54 divisors (see below), whose sum is σ = 1291840704. Its totient is φ = 238425600.

The previous prime is 556338917. The next prime is 556338977. The reversal of 556338944 is 449833655.

It is a super-2 number, since 2×556338944² = 619026041222070272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9632 + ... + 34719.

It is an arithmetic number, because the mean of its divisors is an integer number (23922976).

Almost surely, 2^556338944 is an apocalyptic number.

It is an amenable number.

556338944 is an abundant number, since it is smaller than the sum of its proper divisors (735501760).

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

556338944 is an equidigital number, since it uses as much as digits as its factorization.

556338944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44381 (or 44360 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The square root of 556338944 is about 23586.8383637994. The cubic root of 556338944 is about 822.4569103728.

The spelling of 556338944 in words is "five hundred fifty-six million, three hundred thirty-eight thousand, nine hundred forty-four".