558087121 has 4 divisors (see below), whose sum is σ = 571699044. Its totient is φ = 544475200.

The previous prime is 558087097. The next prime is 558087161. The reversal of 558087121 is 121780855.

558087121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43296400 + 514790721 = 6580^2 + 22689^2 .

It is a cyclic number.

It is not a de Polignac number, because 558087121 - 2⁷ = 558086993 is a prime.

It is a super-2 number, since 2×558087121² = 622922469252137282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (558087161) 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, 6805900 + ... + 6805981.

It is an arithmetic number, because the mean of its divisors is an integer number (142924761).

Almost surely, 2^558087121 is an apocalyptic number.

It is an amenable number.

558087121 is a deficient number, since it is larger than the sum of its proper divisors (13611923).

558087121 is a wasteful number, since it uses less digits than its factorization.

558087121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13611922.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 558087121 is about 23623.8676130730. The cubic root of 558087121 is about 823.3174750215.

The spelling of 558087121 in words is "five hundred fifty-eight million, eighty-seven thousand, one hundred twenty-one".