550404144 has 30 divisors (see below), whose sum is σ = 1540367556. Its totient is φ = 183468000.

The previous prime is 550404143. The next prime is 550404161. The reversal of 550404144 is 441404055.

It is not an unprimeable number, because it can be changed into a prime (550404143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1910982 + ... + 1911269.

Almost surely, 2^550404144 is an apocalyptic number.

It is an amenable number.

550404144 is an abundant number, since it is smaller than the sum of its proper divisors (989963412).

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

550404144 is a wasteful number, since it uses less digits than its factorization.

550404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822265 (or 3822256 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 550404144 is about 23460.6935958850. The cubic root of 550404144 is about 819.5219025428.

Adding to 550404144 its reverse (441404055), we get a palindrome (991808199).

The spelling of 550404144 in words is "five hundred fifty million, four hundred four thousand, one hundred forty-four".