550643224 has 16 divisors (see below), whose sum is σ = 1049956200. Its totient is φ = 270654912.

The previous prime is 550643179. The next prime is 550643231. The reversal of 550643224 is 422346055.

It is a super-2 number, since 2×550643224² = 606415920274228352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582837 + ... + 583780.

Almost surely, 2^550643224 is an apocalyptic number.

It is an amenable number.

550643224 is a deficient number, since it is larger than the sum of its proper divisors (499312976).

550643224 is a wasteful number, since it uses less digits than its factorization.

550643224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166682 (or 1166678 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 550643224 is about 23465.7883737155. The cubic root of 550643224 is about 819.6405444150.

Adding to 550643224 its reverse (422346055), we get a palindrome (972989279).

The spelling of 550643224 in words is "five hundred fifty million, six hundred forty-three thousand, two hundred twenty-four".