550051161 has 16 divisors (see below), whose sum is σ = 804990720. Its totient is φ = 331315920.

The previous prime is 550051153. The next prime is 550051171. The reversal of 550051161 is 161150055.

It is not a de Polignac number, because 550051161 - 2³ = 550051153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550051111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45751 + ... + 56508.

It is an arithmetic number, because the mean of its divisors is an integer number (50311920).

Almost surely, 2^550051161 is an apocalyptic number.

It is an amenable number.

550051161 is a deficient number, since it is larger than the sum of its proper divisors (254939559).

550051161 is a wasteful number, since it uses less digits than its factorization.

550051161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102436.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 550051161 is about 23453.1695299377. The cubic root of 550051161 is about 819.3466742345.

The spelling of 550051161 in words is "five hundred fifty million, fifty-one thousand, one hundred sixty-one".