550200400 has 60 divisors (see below), whose sum is σ = 1364527744. Its totient is φ = 212976000.

The previous prime is 550200373. The next prime is 550200479. The reversal of 550200400 is 4002055.

It is a happy number.

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

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9786 + ... + 34585.

Almost surely, 2^550200400 is an apocalyptic number.

550200400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550200400 is an abundant number, since it is smaller than the sum of its proper divisors (814327344).

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

550200400 is a wasteful number, since it uses less digits than its factorization.

550200400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44420 (or 44409 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 550200400 is about 23456.3509523540. The cubic root of 550200400 is about 819.4207688096.

Adding to 550200400 its reverse (4002055), we get a palindrome (554202455).

The spelling of 550200400 in words is "five hundred fifty million, two hundred thousand, four hundred".