550965312 has 84 divisors (see below), whose sum is σ = 1582978800. Its totient is φ = 183220992.

The previous prime is 550965301. The next prime is 550965319. The reversal of 550965312 is 213569055.

550965312 is a `hidden beast` number, since 550 + 96 + 5 + 3 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (550965319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323439 + ... + 325137.

Almost surely, 2^550965312 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 550965312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791489400).

550965312 is an abundant number, since it is smaller than the sum of its proper divisors (1032013488).

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

550965312 is a wasteful number, since it uses less digits than its factorization.

550965312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 550965312 is about 23472.6502977401. The cubic root of 550965312 is about 819.8003241754.

The spelling of 550965312 in words is "five hundred fifty million, nine hundred sixty-five thousand, three hundred twelve".