558493 has 4 divisors (see below), whose sum is σ = 601468. Its totient is φ = 515520.

The previous prime is 558491. The next prime is 558497. The reversal of 558493 is 394855.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71289 + 487204 = 267^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 558493 - 2¹ = 558491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21468 + ... + 21493.

It is an arithmetic number, because the mean of its divisors is an integer number (150367).

2⁵⁵⁸⁴⁹³ is an apocalyptic number.

It is an amenable number.

558493 is a deficient number, since it is larger than the sum of its proper divisors (42975).

558493 is a wasteful number, since it uses less digits than its factorization.

558493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42974.

The product of its digits is 21600, while the sum is 34.

The square root of 558493 is about 747.3238922984. The cubic root of 558493 is about 82.3517017521.

The spelling of 558493 in words is "five hundred fifty-eight thousand, four hundred ninety-three".