558256 has 40 divisors (see below), whose sum is σ = 1187424. Its totient is φ = 253440.

The previous prime is 558253. The next prime is 558287. The reversal of 558256 is 652855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558251) 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, 13596 + ... + 13636.

2⁵⁵⁸²⁵⁶ 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 558256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593712).

558256 is an abundant number, since it is smaller than the sum of its proper divisors (629168).

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

558256 is a wasteful number, since it uses less digits than its factorization.

558256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 103 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 558256 is about 747.1653096872. The cubic root of 558256 is about 82.3400512839.

The spelling of 558256 in words is "five hundred fifty-eight thousand, two hundred fifty-six".