550113361 has 16 divisors (see below), whose sum is σ = 639446400. Its totient is φ = 463529088.

The previous prime is 550113337. The next prime is 550113397. The reversal of 550113361 is 163311055.

It is not a de Polignac number, because 550113361 - 2⁵ = 550113329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550113661) 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, 109051 + ... + 113983.

It is an arithmetic number, because the mean of its divisors is an integer number (39965400).

Almost surely, 2^550113361 is an apocalyptic number.

It is an amenable number.

550113361 is a deficient number, since it is larger than the sum of its proper divisors (89333039).

550113361 is a wasteful number, since it uses less digits than its factorization.

550113361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 550113361 is about 23454.4955392351. The cubic root of 550113361 is about 819.3775570844.

The spelling of 550113361 in words is "five hundred fifty million, one hundred thirteen thousand, three hundred sixty-one".