550123320 has 32 divisors (see below), whose sum is σ = 1650370320. Its totient is φ = 146699520.

The previous prime is 550123313. The next prime is 550123333. The reversal of 550123320 is 23321055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292061 + ... + 2292300.

Almost surely, 2^550123320 is an apocalyptic number.

It is an amenable number.

550123320 is an abundant number, since it is smaller than the sum of its proper divisors (1100247000).

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

550123320 is a wasteful number, since it uses less digits than its factorization.

550123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584375 (or 4584371 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 550123320 is about 23454.7078429896. The cubic root of 550123320 is about 819.3825015997.

Adding to 550123320 its reverse (23321055), we get a palindrome (573444375).

The spelling of 550123320 in words is "five hundred fifty million, one hundred twenty-three thousand, three hundred twenty".