550523320 has 32 divisors (see below), whose sum is σ = 1243635120. Its totient is φ = 219328000.

The previous prime is 550523317. The next prime is 550523339. The reversal of 550523320 is 23325055.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17377 + ... + 37456.

Almost surely, 2^550523320 is an apocalyptic number.

It is an amenable number.

550523320 is an abundant number, since it is smaller than the sum of its proper divisors (693111800).

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

550523320 is a wasteful number, since it uses less digits than its factorization.

550523320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55095 (or 55091 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 550523320 is about 23463.2333662690. The cubic root of 550523320 is about 819.5810471399.

Adding to 550523320 its reverse (23325055), we get a palindrome (573848375).

The spelling of 550523320 in words is "five hundred fifty million, five hundred twenty-three thousand, three hundred twenty".