55444444455 has 32 divisors (see below), whose sum is σ = 93904335360. Its totient is φ = 27886723200.

The previous prime is 55444444441. The next prime is 55444444493.

55444444455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55444444455 - 2⁵ = 55444444423 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1463371 + ... + 1500780.

It is an arithmetic number, because the mean of its divisors is an integer number (2934510480).

Almost surely, 2^55444444455 is an apocalyptic number.

55444444455 is a deficient number, since it is larger than the sum of its proper divisors (38459890905).

55444444455 is a wasteful number, since it uses less digits than its factorization.

55444444455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964231.

The product of its digits is 10240000, while the sum is 48.

The spelling of 55444444455 in words is "fifty-five billion, four hundred forty-four million, four hundred forty-four thousand, four hundred fifty-five".