55885658855 has 32 divisors (see below), whose sum is σ = 74633106240. Its totient is φ = 39910348800.

The previous prime is 55885658833. The next prime is 55885658867.

55885658855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55885658855 - 2⁸ = 55885658599 is a prime.

It is a super-2 number, since 2×55885658855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 183311 + ... + 381279.

It is an arithmetic number, because the mean of its divisors is an integer number (2332284570).

Almost surely, 2^55885658855 is an apocalyptic number.

55885658855 is a deficient number, since it is larger than the sum of its proper divisors (18747447385).

55885658855 is a wasteful number, since it uses less digits than its factorization.

55885658855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198131.

The product of its digits is 384000000, while the sum is 68.

The spelling of 55885658855 in words is "fifty-five billion, eight hundred eighty-five million, six hundred fifty-eight thousand, eight hundred fifty-five".