556498944 has 256 divisors, whose sum is σ = 1793037600. Its totient is φ = 169869312.

The previous prime is 556498919. The next prime is 556498979. The reversal of 556498944 is 449894655.

556498944 is a `hidden beast` number, since 556 + 4 + 9 + 89 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (256).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15040494 + ... + 15040530.

Almost surely, 2^556498944 is an apocalyptic number.

556498944 is a gapful number since it is divisible by the number (54) 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 556498944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896518800).

556498944 is an abundant number, since it is smaller than the sum of its proper divisors (1236538656).

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

556498944 is an equidigital number, since it uses as much as digits as its factorization.

556498944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 59 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 556498944 is about 23590.2298420342. The cubic root of 556498944 is about 822.5357475001.

It can be divided in two parts, 556 and 498944, that added together give a triangular number (499500 = T₉₉₉).

The spelling of 556498944 in words is "five hundred fifty-six million, four hundred ninety-eight thousand, nine hundred forty-four".