558949949855 has 64 divisors (see below), whose sum is σ = 797403294720. Its totient is φ = 371575142400.

The previous prime is 558949949827. The next prime is 558949949863.

558949949855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 558949949855 - 2⁸ = 558949949599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 558949949855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4384961 + ... + 4510629.

It is an arithmetic number, because the mean of its divisors is an integer number (12459426480).

Almost surely, 2^558949949855 is an apocalyptic number.

558949949855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

558949949855 is a deficient number, since it is larger than the sum of its proper divisors (238453344865).

558949949855 is a wasteful number, since it uses less digits than its factorization.

558949949855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125840.

The product of its digits is 4199040000, while the sum is 80.

The spelling of 558949949855 in words is "five hundred fifty-eight billion, nine hundred forty-nine million, nine hundred forty-nine thousand, eight hundred fifty-five".