550011720 has 64 divisors (see below), whose sum is σ = 1690295040. Its totient is φ = 143091200.

The previous prime is 550011613. The next prime is 550011731. The reversal of 550011720 is 27110055.

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, 50976 + ... + 60815.

It is an arithmetic number, because the mean of its divisors is an integer number (26410860).

Almost surely, 2^550011720 is an apocalyptic number.

It is an amenable number.

550011720 is an abundant number, since it is smaller than the sum of its proper divisors (1140283320).

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

550011720 is a wasteful number, since it uses less digits than its factorization.

550011720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111846 (or 111842 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 550011720 is about 23452.3286690256. The cubic root of 550011720 is about 819.3270902231.

Adding to 550011720 its reverse (27110055), we get a palindrome (577121775).

The spelling of 550011720 in words is "five hundred fifty million, eleven thousand, seven hundred twenty".