550521224 has 32 divisors (see below), whose sum is σ = 1156507200. Its totient is φ = 243472320.

The previous prime is 550521221. The next prime is 550521247. The reversal of 550521224 is 422125055.

It is a junction number, because it is equal to n+sod(n) for n = 550521193 and 550521202.

It is not an unprimeable number, because it can be changed into a prime (550521221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81284 + ... + 87795.

It is an arithmetic number, because the mean of its divisors is an integer number (36140850).

Almost surely, 2^550521224 is an apocalyptic number.

It is an amenable number.

550521224 is an abundant number, since it is smaller than the sum of its proper divisors (605985976).

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

550521224 is a wasteful number, since it uses less digits than its factorization.

550521224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169133 (or 169129 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 550521224 is about 23463.1887006008. The cubic root of 550521224 is about 819.5800070120.

Adding to 550521224 its reverse (422125055), we get a palindrome (972646279).

The spelling of 550521224 in words is "five hundred fifty million, five hundred twenty-one thousand, two hundred twenty-four".