550111055 has 12 divisors (see below), whose sum is σ = 714819960. Its totient is φ = 406235232.

The previous prime is 550111039. The next prime is 550111069.

It is a happy number.

550111055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 550111055 - 2⁴ = 550111039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550111055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324665 + ... + 326354.

It is an arithmetic number, because the mean of its divisors is an integer number (59568330).

Almost surely, 2^550111055 is an apocalyptic number.

550111055 is a deficient number, since it is larger than the sum of its proper divisors (164708905).

550111055 is a wasteful number, since it uses less digits than its factorization.

550111055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651050 (or 651037 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 550111055 is about 23454.4463801643. The cubic root of 550111055 is about 819.3764121765.

The spelling of 550111055 in words is "five hundred fifty million, one hundred eleven thousand, fifty-five".