550231200 has 108 divisors (see below), whose sum is σ = 1940278158. Its totient is φ = 146726400.

The previous prime is 550231189. The next prime is 550231243. The reversal of 550231200 is 2132055.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 252047376 + 298183824 = 15876^2 + 17268^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 17 ways as a sum of consecutive naturals, for example, 31011 + ... + 45410.

Almost surely, 2^550231200 is an apocalyptic number.

550231200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550231200 is an abundant number, since it is smaller than the sum of its proper divisors (1390046958).

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

550231200 is a wasteful number, since it uses less digits than its factorization.

550231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76447 (or 76431 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 550231200 is about 23457.0074817740. The cubic root of 550231200 is about 819.4360588074.

Adding to 550231200 its reverse (2132055), we get a palindrome (552363255).

The spelling of 550231200 in words is "five hundred fifty million, two hundred thirty-one thousand, two hundred".