550886320 has 80 divisors (see below), whose sum is σ = 1338664320. Its totient is φ = 210560000.

The previous prime is 550886299. The next prime is 550886321. The reversal of 550886320 is 23688055.

550886320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 550886320.

It is not an unprimeable number, because it can be changed into a prime (550886321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233145 + ... + 235495.

It is an arithmetic number, because the mean of its divisors is an integer number (16733304).

Almost surely, 2^550886320 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 550886320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669332160).

550886320 is an abundant number, since it is smaller than the sum of its proper divisors (787778000).

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

550886320 is a wasteful number, since it uses less digits than its factorization.

550886320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 550886320 is about 23470.9675982904. The cubic root of 550886320 is about 819.7611439943.

The spelling of 550886320 in words is "five hundred fifty million, eight hundred eighty-six thousand, three hundred twenty".