550618120 has 64 divisors (see below), whose sum is σ = 1337656320. Its totient is φ = 202777344.

The previous prime is 550618111. The next prime is 550618163. The reversal of 550618120 is 21816055.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239617 + ... + 241903.

It is an arithmetic number, because the mean of its divisors is an integer number (20900880).

Almost surely, 2^550618120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550618120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668828160).

550618120 is an abundant number, since it is smaller than the sum of its proper divisors (787038200).

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

550618120 is a wasteful number, since it uses less digits than its factorization.

550618120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 550618120 is about 23465.2534612350. The cubic root of 550618120 is about 819.6280883346.

The spelling of 550618120 in words is "five hundred fifty million, six hundred eighteen thousand, one hundred twenty".