55560044006555 has 16 divisors (see below), whose sum is σ = 73196416990944. Its totient is φ = 40149933358080.

The previous prime is 55560044006549. The next prime is 55560044006627.

55560044006555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55560044006555 - 2²⁴ = 55560027229339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3217133462 + ... + 3217150731.

It is an arithmetic number, because the mean of its divisors is an integer number (4574776061934).

Almost surely, 2^{55560044006555} is an apocalyptic number.

55560044006555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55560044006555 is a deficient number, since it is larger than the sum of its proper divisors (17636372984389).

55560044006555 is a wasteful number, since it uses less digits than its factorization.

55560044006555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434284366.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 55560044006555 in words is "fifty-five trillion, five hundred sixty billion, forty-four million, six thousand, five hundred fifty-five".