558945 has 12 divisors (see below), whose sum is σ = 968916. Its totient is φ = 298080.

The previous prime is 558937. The next prime is 558947. The reversal of 558945 is 549855.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 154449 = 636^2 + 393^2 .

It is not a de Polignac number, because 558945 - 2³ = 558937 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (558947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6166 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (80743).

2⁵⁵⁸⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

558945 is a deficient number, since it is larger than the sum of its proper divisors (409971).

558945 is a wasteful number, since it uses less digits than its factorization.

558945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432 (or 12429 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 558945 is about 747.6262435201. The cubic root of 558945 is about 82.3739120763.

The spelling of 558945 in words is "five hundred fifty-eight thousand, nine hundred forty-five".