557560 has 32 divisors (see below), whose sum is σ = 1283040. Its totient is φ = 217984.

The previous prime is 557551. The next prime is 557567. The reversal of 557560 is 65755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (40095).

2⁵⁵⁷⁵⁶⁰ 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 557560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641520).

557560 is an abundant number, since it is smaller than the sum of its proper divisors (725480).

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

557560 is a wasteful number, since it uses less digits than its factorization.

557560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 557560 is about 746.6994040442. The cubic root of 557560 is about 82.3058181791.

The spelling of 557560 in words is "five hundred fifty-seven thousand, five hundred sixty".