550321101123055 has 8 divisors (see below), whose sum is σ = 661110222913344. Its totient is φ = 439773613188000.

The previous prime is 550321101123023. The next prime is 550321101123103.

It is a happy number.

550321101123055 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550321101123055 - 2⁵ = 550321101123023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550321101123055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60408458796 + ... + 60408467905.

It is an arithmetic number, because the mean of its divisors is an integer number (82638777864168).

Almost surely, 2^{550321101123055} is an apocalyptic number.

550321101123055 is a deficient number, since it is larger than the sum of its proper divisors (110789121790289).

550321101123055 is a wasteful number, since it uses less digits than its factorization.

550321101123055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120816927617.

The product of its (nonzero) digits is 22500, while the sum is 34.

It can be divided in two parts, 55032110 and 1123055, that added together give a palindrome (56155165).

The spelling of 550321101123055 in words is "five hundred fifty trillion, three hundred twenty-one billion, one hundred one million, one hundred twenty-three thousand, fifty-five".