558213993 has 12 divisors (see below), whose sum is σ = 832319488. Its totient is φ = 360137880.

The previous prime is 558213949. The next prime is 558214009. The reversal of 558213993 is 399312855.

558213993 is a `hidden beast` number, since 558 + 2 + 1 + 3 + 9 + 93 = 666.

It is not a de Polignac number, because 558213993 - 2¹³ = 558205801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (558213923) 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, 1000105 + ... + 1000662.

Almost surely, 2^558213993 is an apocalyptic number.

It is an amenable number.

558213993 is a deficient number, since it is larger than the sum of its proper divisors (274105495).

558213993 is a wasteful number, since it uses less digits than its factorization.

558213993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000804 (or 2000801 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 558213993 is about 23626.5527108802. The cubic root of 558213993 is about 823.3798595587.

The spelling of 558213993 in words is "five hundred fifty-eight million, two hundred thirteen thousand, nine hundred ninety-three".