558320 has 40 divisors (see below), whose sum is σ = 1485024. Its totient is φ = 191232.

The previous prime is 558319. The next prime is 558343. The reversal of 558320 is 23855.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 1058.

2⁵⁵⁸³²⁰ 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 558320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742512).

558320 is an abundant number, since it is smaller than the sum of its proper divisors (926704).

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

558320 is a wasteful number, since it uses less digits than its factorization.

558320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 558320 is about 747.2081370007. The cubic root of 558320 is about 82.3431977268.

It can be divided in two parts, 558 and 320, that added together give a palindrome (878).

The spelling of 558320 in words is "five hundred fifty-eight thousand, three hundred twenty".