550088280 has 128 divisors (see below), whose sum is σ = 2095603200. Its totient is φ = 125732736.

The previous prime is 550088239. The next prime is 550088281. The reversal of 550088280 is 82880055.

550088280 is a `hidden beast` number, since 550 + 0 + 88 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550088281) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 28822 + ... + 43941.

It is an arithmetic number, because the mean of its divisors is an integer number (16371900).

Almost surely, 2^550088280 is an apocalyptic number.

It is an amenable number.

550088280 is an abundant number, since it is smaller than the sum of its proper divisors (1545514920).

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

550088280 is a wasteful number, since it uses less digits than its factorization.

550088280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72790 (or 72780 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 550088280 is about 23453.9608595222. The cubic root of 550088280 is about 819.3651044263.

Subtracting from 550088280 its reverse (82880055), we obtain a square (467208225 = 21615²).

The spelling of 550088280 in words is "five hundred fifty million, eighty-eight thousand, two hundred eighty".