550912 has 24 divisors (see below), whose sum is σ = 1105650. Its totient is φ = 274432.

The previous prime is 550909. The next prime is 550937. The reversal of 550912 is 219055.

It can be written as a sum of positive squares in only one way, i.e., 541696 + 9216 = 736^2 + 96^2 .

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1914 + ... + 2182.

2⁵⁵⁰⁹¹² 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 550912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552825).

550912 is an abundant number, since it is smaller than the sum of its proper divisors (554738).

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

550912 is an equidigital number, since it uses as much as digits as its factorization.

550912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 550912 is about 742.2344643036. The cubic root of 550912 is about 81.9773881734.

Adding to 550912 its reverse (219055), we get a palindrome (769967).

The spelling of 550912 in words is "five hundred fifty thousand, nine hundred twelve".