556873056 has 120 divisors (see below), whose sum is σ = 1709137584. Its totient is φ = 177534720.

The previous prime is 556873049. The next prime is 556873069. The reversal of 556873056 is 650378655.

556873056 is a `hidden beast` number, since 5 + 568 + 7 + 30 + 56 = 666.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 54946 + ... + 64286.

Almost surely, 2^556873056 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 556873056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854568792).

556873056 is an abundant number, since it is smaller than the sum of its proper divisors (1152264528).

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

556873056 is a wasteful number, since it uses less digits than its factorization.

556873056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9386 (or 9369 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 556873056 is about 23598.1578942086. The cubic root of 556873056 is about 822.7200255157.

The spelling of 556873056 in words is "five hundred fifty-six million, eight hundred seventy-three thousand, fifty-six".