556363944 has 64 divisors (see below), whose sum is σ = 1595328000. Its totient is φ = 179470080.

The previous prime is 556363939. The next prime is 556363961. The reversal of 556363944 is 449363655.

556363944 is a `hidden beast` number, since 5 + 5 + 6 + 3 + 639 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 556363944.

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 15 ways as a sum of consecutive naturals, for example, 34849 + ... + 48240.

It is an arithmetic number, because the mean of its divisors is an integer number (24927000).

Almost surely, 2^556363944 is an apocalyptic number.

556363944 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

556363944 is an abundant number, since it is smaller than the sum of its proper divisors (1038964056).

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

556363944 is a wasteful number, since it uses less digits than its factorization.

556363944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83135 (or 83125 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 556363944 is about 23587.3683144178. The cubic root of 556363944 is about 822.4692296702.

The spelling of 556363944 in words is "five hundred fifty-six million, three hundred sixty-three thousand, nine hundred forty-four".