55558285555 has 16 divisors (see below), whose sum is σ = 66909772800. Its totient is φ = 44286852960.

The previous prime is 55558285543. The next prime is 55558285577.

55558285555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55558285555 - 2⁷ = 55558285427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55558285555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5529226 + ... + 5539264.

It is an arithmetic number, because the mean of its divisors is an integer number (4181860800).

Almost surely, 2^55558285555 is an apocalyptic number.

55558285555 is a deficient number, since it is larger than the sum of its proper divisors (11351487245).

55558285555 is a wasteful number, since it uses less digits than its factorization.

55558285555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13914.

The product of its digits is 50000000, while the sum is 58.

The spelling of 55558285555 in words is "fifty-five billion, five hundred fifty-eight million, two hundred eighty-five thousand, five hundred fifty-five".