55544244555 has 16 divisors (see below), whose sum is σ = 88873788960. Its totient is φ = 29622597888.

The previous prime is 55544244541. The next prime is 55544244557.

55544244555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55544244555 - 2⁹ = 55544244043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55544244557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687889 + ... + 764381.

It is an arithmetic number, because the mean of its divisors is an integer number (5554611810).

Almost surely, 2^55544244555 is an apocalyptic number.

55544244555 is a deficient number, since it is larger than the sum of its proper divisors (33329544405).

55544244555 is a wasteful number, since it uses less digits than its factorization.

55544244555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124910.

The product of its digits is 8000000, while the sum is 48.

The spelling of 55544244555 in words is "fifty-five billion, five hundred forty-four million, two hundred forty-four thousand, five hundred fifty-five".