558112421 has 4 divisors (see below), whose sum is σ = 558239712. Its totient is φ = 557985132.

The previous prime is 558112417. The next prime is 558112439. The reversal of 558112421 is 124211855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 558112421 - 2² = 558112417 is a prime.

It is a super-2 number, since 2×558112421² = 622978948948962482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558112021) 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, 56825 + ... + 65918.

It is an arithmetic number, because the mean of its divisors is an integer number (139559928).

Almost surely, 2^558112421 is an apocalyptic number.

It is an amenable number.

558112421 is a deficient number, since it is larger than the sum of its proper divisors (127291).

558112421 is a wasteful number, since it uses less digits than its factorization.

558112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127290.

The product of its digits is 3200, while the sum is 29.

The square root of 558112421 is about 23624.4030824061. The cubic root of 558112421 is about 823.3299161002.

The spelling of 558112421 in words is "five hundred fifty-eight million, one hundred twelve thousand, four hundred twenty-one".