554444444455 has 16 divisors (see below), whose sum is σ = 733004507808. Its totient is φ = 399239920000.

The previous prime is 554444444447. The next prime is 554444444459.

554444444455 is nontrivially palindromic in base 10.

554444444455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 554444444455 - 2³ = 554444444447 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554444444459) 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, 49899436 + ... + 49910545.

It is an arithmetic number, because the mean of its divisors is an integer number (45812781738).

Almost surely, 2^554444444455 is an apocalyptic number.

554444444455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

554444444455 is a deficient number, since it is larger than the sum of its proper divisors (178560063353).

554444444455 is a wasteful number, since it uses less digits than its factorization.

554444444455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99810098.

The product of its digits is 40960000, while the sum is 52.

It can be divided in two parts, 554444 and 444455, that added together give a palindrome (998899).

The spelling of 554444444455 in words is "five hundred fifty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred fifty-five".