550331642 has 12 divisors (see below), whose sum is σ = 960272730. Its totient is φ = 235856376.

The previous prime is 550331641. The next prime is 550331647. The reversal of 550331642 is 246133055.

550331642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 451945081 + 98386561 = 21259^2 + 9919^2 .

It is not an unprimeable number, because it can be changed into a prime (550331641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2807717 + ... + 2807912.

Almost surely, 2^550331642 is an apocalyptic number.

550331642 is a deficient number, since it is larger than the sum of its proper divisors (409941088).

550331642 is a wasteful number, since it uses less digits than its factorization.

550331642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615645 (or 5615638 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 550331642 is about 23459.1483647638. The cubic root of 550331642 is about 819.4859171149.

Adding to 550331642 its reverse (246133055), we get a palindrome (796464697).

The spelling of 550331642 in words is "five hundred fifty million, three hundred thirty-one thousand, six hundred forty-two".