556864308 has 480 divisors, whose sum is σ = 2090043648. Its totient is φ = 124416000.

The previous prime is 556864307. The next prime is 556864313. The reversal of 556864308 is 803468655.

556864308 is a `hidden beast` number, since 556 + 8 + 64 + 30 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556864307) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 5513458 + ... + 5513558.

Almost surely, 2^556864308 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 556864308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045021824).

556864308 is an abundant number, since it is smaller than the sum of its proper divisors (1533179340).

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

556864308 is a wasteful number, since it uses less digits than its factorization.

556864308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 556864308 is about 23597.9725400298. The cubic root of 556864308 is about 822.7157174169.

The spelling of 556864308 in words is "five hundred fifty-six million, eight hundred sixty-four thousand, three hundred eight".