550402800 has 60 divisors (see below), whose sum is σ = 1763127480. Its totient is φ = 146773760.

The previous prime is 550402781. The next prime is 550402841. The reversal of 550402800 is 8204055.

550402800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228135 + ... + 230534.

It is an arithmetic number, because the mean of its divisors is an integer number (29385458).

Almost surely, 2^550402800 is an apocalyptic number.

550402800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550402800 is an abundant number, since it is smaller than the sum of its proper divisors (1212724680).

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

550402800 is a wasteful number, since it uses less digits than its factorization.

550402800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458690 (or 458679 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 550402800 is about 23460.6649522131. The cubic root of 550402800 is about 819.5212354946.

Adding to 550402800 its reverse (8204055), we get a palindrome (558606855).

The spelling of 550402800 in words is "five hundred fifty million, four hundred two thousand, eight hundred".