558012 has 72 divisors (see below), whose sum is σ = 1653456. Its totient is φ = 145152.

The previous prime is 558007. The next prime is 558017. The reversal of 558012 is 210855.

It is an interprime number because it is at equal distance from previous prime (558007) and next prime (558017).

It is a super-2 number, since 2×558012² = 622754784288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 558012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7608 + ... + 7680.

2⁵⁵⁸⁰¹² is an apocalyptic number.

558012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 558012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826728).

558012 is an abundant number, since it is smaller than the sum of its proper divisors (1095444).

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

558012 is a wasteful number, since it uses less digits than its factorization.

558012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 558012 is about 747.0020080294. The cubic root of 558012 is about 82.3280532637.

Adding to 558012 its reverse (210855), we get a palindrome (768867).

The spelling of 558012 in words is "five hundred fifty-eight thousand, twelve".