550139424 has 24 divisors (see below), whose sum is σ = 1444116240. Its totient is φ = 183379776.

The previous prime is 550139413. The next prime is 550139441. The reversal of 550139424 is 424931055.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2865214 + ... + 2865405.

It is an arithmetic number, because the mean of its divisors is an integer number (60171510).

Almost surely, 2^550139424 is an apocalyptic number.

It is an amenable number.

550139424 is an abundant number, since it is smaller than the sum of its proper divisors (893976816).

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

550139424 is a wasteful number, since it uses less digits than its factorization.

550139424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730632 (or 5730624 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 550139424 is about 23455.0511404260. The cubic root of 550139424 is about 819.3904969022.

The spelling of 550139424 in words is "five hundred fifty million, one hundred thirty-nine thousand, four hundred twenty-four".