550343424 has 72 divisors (see below), whose sum is σ = 1469325312. Its totient is φ = 182871040.

The previous prime is 550343419. The next prime is 550343441. The reversal of 550343424 is 424343055.

It is a junction number, because it is equal to n+sod(n) for n = 550343391 and 550343400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293209 + ... + 295079.

It is an arithmetic number, because the mean of its divisors is an integer number (20407296).

Almost surely, 2^550343424 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 550343424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734662656).

550343424 is an abundant number, since it is smaller than the sum of its proper divisors (918981888).

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

550343424 is a wasteful number, since it uses less digits than its factorization.

550343424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 550343424 is about 23459.3994808051. The cubic root of 550343424 is about 819.4917651729.

Adding to 550343424 its reverse (424343055), we get a palindrome (974686479).

The spelling of 550343424 in words is "five hundred fifty million, three hundred forty-three thousand, four hundred twenty-four".