550335320 has 128 divisors (see below), whose sum is σ = 1331467200. Its totient is φ = 204374016.

The previous prime is 550335301. The next prime is 550335377. The reversal of 550335320 is 23533055.

It is a self number, because there is not a number n which added to its sum of digits gives 550335320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5673512 + ... + 5673608.

Almost surely, 2^550335320 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 550335320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665733600).

550335320 is an abundant number, since it is smaller than the sum of its proper divisors (781131880).

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

550335320 is a wasteful number, since it uses less digits than its factorization.

550335320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 550335320 is about 23459.2267562254. The cubic root of 550335320 is about 819.4877427186.

Adding to 550335320 its reverse (23533055), we get a palindrome (573868375).

The spelling of 550335320 in words is "five hundred fifty million, three hundred thirty-five thousand, three hundred twenty".