550161126 has 32 divisors (see below), whose sum is σ = 1229921280.
Its totient is φ = 182285928.
The previous prime is 550161109. The next prime is 550161133. The reversal of 550161126 is 621161055.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 550161126.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21486 + ... + 39521.
It is an arithmetic number, because the mean of its divisors is an integer number (38435040).
Almost surely, 2550161126 is an apocalyptic number.
550161126 is an abundant number, since it is smaller than the sum of its proper divisors (679760154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
550161126 is a wasteful number, since it uses less digits than its factorization.
550161126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61185 (or 61179 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 27.
The square root of 550161126 is about 23455.5137654241.
The cubic root of 550161126 is about 819.4012712489.
The spelling of 550161126 in words is "five hundred fifty million, one hundred sixty-one thousand, one hundred twenty-six".