550353220 has 24 divisors (see below), whose sum is σ = 1156506624. Its totient is φ = 219995616.

The previous prime is 550353217. The next prime is 550353233. The reversal of 550353220 is 22353055.

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 7 ways as a sum of consecutive naturals, for example, 24987 + ... + 41533.

It is an arithmetic number, because the mean of its divisors is an integer number (48187776).

Almost surely, 2^550353220 is an apocalyptic number.

It is an amenable number.

550353220 is an abundant number, since it is smaller than the sum of its proper divisors (606153404).

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

550353220 is a wasteful number, since it uses less digits than its factorization.

550353220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18219 (or 18217 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 550353220 is about 23459.6082661241. The cubic root of 550353220 is about 819.4966274058.

The spelling of 550353220 in words is "five hundred fifty million, three hundred fifty-three thousand, two hundred twenty".