554446644455 has 16 divisors (see below), whose sum is σ = 725853131424. Its totient is φ = 403216106880.

The previous prime is 554446644419. The next prime is 554446644469.

554446644455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 554446644455 - 2²⁴ = 554429867239 is a prime.

It is a super-2 number, since 2×554446644455² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 554446644455.

It is a congruent 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, 1104689 + ... + 1526181.

It is an arithmetic number, because the mean of its divisors is an integer number (45365820714).

Almost surely, 2^554446644455 is an apocalyptic number.

554446644455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

554446644455 is a deficient number, since it is larger than the sum of its proper divisors (171406486969).

554446644455 is a wasteful number, since it uses less digits than its factorization.

554446644455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445426.

The product of its digits is 92160000, while the sum is 56.

The spelling of 554446644455 in words is "five hundred fifty-four billion, four hundred forty-six million, six hundred forty-four thousand, four hundred fifty-five".