556492560 has 160 divisors (see below), whose sum is σ = 1870380288. Its totient is φ = 136058880.

The previous prime is 556492529. The next prime is 556492561. The reversal of 556492560 is 65294655.

It is not an unprimeable number, because it can be changed into a prime (556492561) 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, 539245 + ... + 540275.

Almost surely, 2^556492560 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 556492560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935190144).

556492560 is an abundant number, since it is smaller than the sum of its proper divisors (1313887728).

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

556492560 is a wasteful number, since it uses less digits than its factorization.

556492560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 556492560 is about 23590.0945313918. The cubic root of 556492560 is about 822.5326021882.

The spelling of 556492560 in words is "five hundred fifty-six million, four hundred ninety-two thousand, five hundred sixty".