550211200 has 432 divisors, whose sum is σ = 1797834150. Its totient is φ = 165580800.

The previous prime is 550211191. The next prime is 550211231. The reversal of 550211200 is 2112055.

It can be written as a sum of positive squares in 3 ways, for example, as 413227584 + 136983616 = 20328^2 + 11704^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 18972786 + ... + 18972814.

Almost surely, 2^550211200 is an apocalyptic number.

550211200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898917075).

550211200 is an abundant number, since it is smaller than the sum of its proper divisors (1247622950).

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

550211200 is a wasteful number, since it uses less digits than its factorization.

550211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 550211200 is about 23456.5811660608. The cubic root of 550211200 is about 819.4261303024.

Adding to 550211200 its reverse (2112055), we get a palindrome (552323255).

It can be divided in two parts, 5 and 50211200, that added together give a palindrome (50211205).

The spelling of 550211200 in words is "five hundred fifty million, two hundred eleven thousand, two hundred".