556555256 has 16 divisors (see below), whose sum is σ = 1045872000. Its totient is φ = 277656064.

The previous prime is 556555253. The next prime is 556555261. The reversal of 556555256 is 652555655.

It is a happy number.

556555256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556555253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73880 + ... + 81063.

It is an arithmetic number, because the mean of its divisors is an integer number (65367000).

Almost surely, 2^556555256 is an apocalyptic number.

It is an amenable number.

556555256 is a deficient number, since it is larger than the sum of its proper divisors (489316744).

556555256 is a wasteful number, since it uses less digits than its factorization.

556555256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155398 (or 155394 counting only the distinct ones).

The product of its digits is 1125000, while the sum is 44.

The square root of 556555256 is about 23591.4233568049. The cubic root of 556555256 is about 822.5634906320.

The spelling of 556555256 in words is "five hundred fifty-six million, five hundred fifty-five thousand, two hundred fifty-six".