558949855 has 4 divisors (see below), whose sum is σ = 670739832. Its totient is φ = 447159880.

The previous prime is 558949837. The next prime is 558949877.

558949855 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 558949855 - 2⁵ = 558949823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 558949855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55894981 + ... + 55894990.

It is an arithmetic number, because the mean of its divisors is an integer number (167684958).

Almost surely, 2^558949855 is an apocalyptic number.

558949855 is a deficient number, since it is larger than the sum of its proper divisors (111789977).

558949855 is a wasteful number, since it uses less digits than its factorization.

558949855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111789976.

The product of its digits is 12960000, while the sum is 58.

The square root of 558949855 is about 23642.1203575314. The cubic root of 558949855 is about 823.7415057577.

The spelling of 558949855 in words is "five hundred fifty-eight million, nine hundred forty-nine thousand, eight hundred fifty-five".