550976388 has 24 divisors (see below), whose sum is σ = 1286064192. Its totient is φ = 183594144.

The previous prime is 550976359. The next prime is 550976399. The reversal of 550976388 is 883679055.

It is a self number, because there is not a number n which added to its sum of digits gives 550976388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37881 + ... + 50367.

It is an arithmetic number, because the mean of its divisors is an integer number (53586008).

Almost surely, 2^550976388 is an apocalyptic number.

It is an amenable number.

550976388 is an abundant number, since it is smaller than the sum of its proper divisors (735087804).

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

550976388 is a wasteful number, since it uses less digits than its factorization.

550976388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16171 (or 16169 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 550976388 is about 23472.8862307131. The cubic root of 550976388 is about 819.8058175930.

The spelling of 550976388 in words is "five hundred fifty million, nine hundred seventy-six thousand, three hundred eighty-eight".