550444444055 has 16 divisors (see below), whose sum is σ = 721457432064. Its totient is φ = 399836779680.

The previous prime is 550444444049. The next prime is 550444444057.

550444444055 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-550444444055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550444443997 and 550444444015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550444444057) 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, 6034979 + ... + 6125508.

It is an arithmetic number, because the mean of its divisors is an integer number (45091089504).

Almost surely, 2^550444444055 is an apocalyptic number.

550444444055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550444444055 is a deficient number, since it is larger than the sum of its proper divisors (171012988009).

550444444055 is a wasteful number, since it uses less digits than its factorization.

550444444055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161326.

The product of its (nonzero) digits is 2560000, while the sum is 44.

It can be divided in two parts, 550444 and 444055, that added together give a palindrome (994499).

The spelling of 550444444055 in words is "five hundred fifty billion, four hundred forty-four million, four hundred forty-four thousand, fifty-five".