550008822 has 64 divisors (see below), whose sum is σ = 1219276800. Its totient is φ = 164021280.

The previous prime is 550008817. The next prime is 550008839. The reversal of 550008822 is 228800055.

It is a plaindrome in base 15.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 550008822.

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, 1531879 + ... + 1532237.

It is an arithmetic number, because the mean of its divisors is an integer number (19051200).

Almost surely, 2^550008822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550008822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609638400).

550008822 is an abundant number, since it is smaller than the sum of its proper divisors (669267978).

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

550008822 is a wasteful number, since it uses less digits than its factorization.

550008822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 550008822 is about 23452.2668840349. The cubic root of 550008822 is about 819.3256512150.

Adding to 550008822 its reverse (228800055), we get a palindrome (778808877).

The spelling of 550008822 in words is "five hundred fifty million, eight thousand, eight hundred twenty-two".