55560433406555 has 64 divisors (see below), whose sum is σ = 84012394199040. Its totient is φ = 34265519232000.

The previous prime is 55560433406549. The next prime is 55560433406669.

55560433406555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55560433406555 - 2¹⁰ = 55560433405531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55560433406555.

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, 49568522 + ... + 50677008.

It is an arithmetic number, because the mean of its divisors is an integer number (1312693659360).

Almost surely, 2^{55560433406555} is an apocalyptic number.

55560433406555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55560433406555 is a deficient number, since it is larger than the sum of its proper divisors (28451960792485).

55560433406555 is a wasteful number, since it uses less digits than its factorization.

55560433406555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109900.

The product of its (nonzero) digits is 81000000, while the sum is 56.

The spelling of 55560433406555 in words is "fifty-five trillion, five hundred sixty billion, four hundred thirty-three million, four hundred six thousand, five hundred fifty-five".