55543688634555 has 96 divisors (see below), whose sum is σ = 105117743278080. Its totient is φ = 26907290000640.

The previous prime is 55543688634529. The next prime is 55543688634647.

55543688634555 is a `hidden beast` number, since 5 + 5 + 5 + 4 + 3 + 6 + 8 + 8 + 63 + 4 + 555 = 666.

55543688634555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55543688634555 - 2⁶ = 55543688634491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3122352601 + ... + 3122370389.

It is an arithmetic number, because the mean of its divisors is an integer number (1094976492480).

Almost surely, 2^{55543688634555} is an apocalyptic number.

55543688634555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55543688634555 is a deficient number, since it is larger than the sum of its proper divisors (49574054643525).

55543688634555 is a wasteful number, since it uses less digits than its factorization.

55543688634555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841 (or 22838 counting only the distinct ones).

The product of its digits is 5184000000, while the sum is 72.

The spelling of 55543688634555 in words is "fifty-five trillion, five hundred forty-three billion, six hundred eighty-eight million, six hundred thirty-four thousand, five hundred fifty-five".