550881312 has 24 divisors (see below), whose sum is σ = 1446063696. Its totient is φ = 183627072.

The previous prime is 550881281. The next prime is 550881323. The reversal of 550881312 is 213188055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2869078 + ... + 2869269.

It is an arithmetic number, because the mean of its divisors is an integer number (60252654).

Almost surely, 2^550881312 is an apocalyptic number.

It is an amenable number.

550881312 is an abundant number, since it is smaller than the sum of its proper divisors (895182384).

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

550881312 is a wasteful number, since it uses less digits than its factorization.

550881312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738360 (or 5738352 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 550881312 is about 23470.8609130556. The cubic root of 550881312 is about 819.7586598906.

The spelling of 550881312 in words is "five hundred fifty million, eight hundred eighty-one thousand, three hundred twelve".