550161129 has 16 divisors (see below), whose sum is σ = 838808960. Its totient is φ = 314202240.

The previous prime is 550161109. The next prime is 550161133. The reversal of 550161129 is 921161055.

It is not a de Polignac number, because 550161129 - 2⁸ = 550160873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550161096 and 550161105.

It is not an unprimeable number, because it can be changed into a prime (550161109) 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, 37599 + ... + 50139.

It is an arithmetic number, because the mean of its divisors is an integer number (52425560).

Almost surely, 2^550161129 is an apocalyptic number.

It is an amenable number.

550161129 is a deficient number, since it is larger than the sum of its proper divisors (288647831).

550161129 is a wasteful number, since it uses less digits than its factorization.

550161129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14640.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 550161129 is about 23455.5138293750. The cubic root of 550161129 is about 819.4012727383.

The spelling of 550161129 in words is "five hundred fifty million, one hundred sixty-one thousand, one hundred twenty-nine".