558081 has 12 divisors (see below), whose sum is σ = 820560. Its totient is φ = 365400.

The previous prime is 558067. The next prime is 558083. The reversal of 558081 is 180855.

558081 is a `hidden beast` number, since 5 + 580 + 81 = 666.

558081 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 558081 - 2⁶ = 558017 is a prime.

It is a super-2 number, since 2×558081² = 622908805122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

558081 is strictly pandigital in base 7.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 558081.

It is not an unprimeable number, because it can be changed into a prime (558083) 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, 6 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (68380).

It is a Proth number, since it is equal to 545 ⋅ 2¹⁰ + 1 and 545 < 2¹⁰.

2⁵⁵⁸⁰⁸¹ is an apocalyptic number.

It is an amenable number.

558081 is a deficient number, since it is larger than the sum of its proper divisors (262479).

558081 is a wasteful number, since it uses less digits than its factorization.

558081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 558081 is about 747.0481912166. The cubic root of 558081 is about 82.3314465011.

The spelling of 558081 in words is "five hundred fifty-eight thousand, eighty-one".