550161144 has 96 divisors (see below), whose sum is σ = 1609826400. Its totient is φ = 168733440.

The previous prime is 550161137. The next prime is 550161149. The reversal of 550161144 is 441161055.

550161144 is a `hidden beast` number, since 5 + 5 + 0 + 1 + 611 + 44 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550161149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363349 + ... + 364859.

It is an arithmetic number, because the mean of its divisors is an integer number (16769025).

Almost surely, 2^550161144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550161144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804913200).

550161144 is an abundant number, since it is smaller than the sum of its proper divisors (1059665256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550161144 is a wasteful number, since it uses less digits than its factorization.

550161144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 550161144 is about 23455.5141491292. The cubic root of 550161144 is about 819.4012801853.

The spelling of 550161144 in words is "five hundred fifty million, one hundred sixty-one thousand, one hundred forty-four".