556475660 has 48 divisors (see below), whose sum is σ = 1271011392. Its totient is φ = 203424000.

The previous prime is 556475653. The next prime is 556475663. The reversal of 556475660 is 66574655.

It is not an unprimeable number, because it can be changed into a prime (556475663) 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 15 ways as a sum of consecutive naturals, for example, 15665 + ... + 36855.

It is an arithmetic number, because the mean of its divisors is an integer number (26479404).

Almost surely, 2^556475660 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 556475660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635505696).

556475660 is an abundant number, since it is smaller than the sum of its proper divisors (714535732).

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

556475660 is a wasteful number, since it uses less digits than its factorization.

556475660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314 (or 21312 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 556475660 is about 23589.7363274794. The cubic root of 556475660 is about 822.5242756668.

The spelling of 556475660 in words is "five hundred fifty-six million, four hundred seventy-five thousand, six hundred sixty".