556815244 has 24 divisors (see below), whose sum is σ = 1000677888. Its totient is φ = 270990720.

The previous prime is 556815221. The next prime is 556815253. The reversal of 556815244 is 442518655.

It is a junction number, because it is equal to n+sod(n) for n = 556815197 and 556815206.

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 7 ways as a sum of consecutive naturals, for example, 16584 + ... + 37264.

It is an arithmetic number, because the mean of its divisors is an integer number (41694912).

Almost surely, 2^556815244 is an apocalyptic number.

It is an amenable number.

556815244 is a deficient number, since it is larger than the sum of its proper divisors (443862644).

556815244 is a wasteful number, since it uses less digits than its factorization.

556815244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20865 (or 20863 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 556815244 is about 23596.9329362949. The cubic root of 556815244 is about 822.6915541938.

The spelling of 556815244 in words is "five hundred fifty-six million, eight hundred fifteen thousand, two hundred forty-four".