550730368 has 64 divisors (see below), whose sum is σ = 1190223720. Its totient is φ = 252805120.

The previous prime is 550730363. The next prime is 550730381. The reversal of 550730368 is 863037055.

It can be written as a sum of positive squares in 4 ways, for example, as 226442304 + 324288064 = 15048^2 + 18008^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550730363) 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, 86130 + ... + 92302.

Almost surely, 2^550730368 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 550730368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595111860).

550730368 is an abundant number, since it is smaller than the sum of its proper divisors (639493352).

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

550730368 is a wasteful number, since it uses less digits than its factorization.

550730368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 550730368 is about 23467.6451311162. The cubic root of 550730368 is about 819.6837805099.

The spelling of 550730368 in words is "five hundred fifty million, seven hundred thirty thousand, three hundred sixty-eight".