556964688 has 160 divisors (see below), whose sum is σ = 1735888896. Its totient is φ = 150441984.

The previous prime is 556964687. The next prime is 556964701. The reversal of 556964688 is 886469655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556964687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749245 + ... + 749987.

Almost surely, 2^556964688 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 556964688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867944448).

556964688 is an abundant number, since it is smaller than the sum of its proper divisors (1178924208).

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

556964688 is a wasteful number, since it uses less digits than its factorization.

556964688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 875 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 57.

The square root of 556964688 is about 23600.0993218249. The cubic root of 556964688 is about 822.7651485146.

The spelling of 556964688 in words is "five hundred fifty-six million, nine hundred sixty-four thousand, six hundred eighty-eight".