550344312 has 96 divisors (see below), whose sum is σ = 1745059680. Its totient is φ = 153400320.

The previous prime is 550344293. The next prime is 550344317. The reversal of 550344312 is 213443055.

550344312 is a `hidden beast` number, since 5 + 5 + 0 + 344 + 312 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550344317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7348 + ... + 33980.

It is an arithmetic number, because the mean of its divisors is an integer number (18177705).

Almost surely, 2^550344312 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 550344312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872529840).

550344312 is an abundant number, since it is smaller than the sum of its proper divisors (1194715368).

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

550344312 is a wasteful number, since it uses less digits than its factorization.

550344312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26693 (or 26686 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 550344312 is about 23459.4184071132. The cubic root of 550344312 is about 819.4922059330.

Adding to 550344312 its reverse (213443055), we get a palindrome (763787367).

The spelling of 550344312 in words is "five hundred fifty million, three hundred forty-four thousand, three hundred twelve".