550250303321 has 2 divisors, whose sum is σ = 550250303322. Its totient is φ = 550250303320.

The previous prime is 550250303287. The next prime is 550250303357. The reversal of 550250303321 is 123303052055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426655869721 + 123594433600 = 653189^2 + 351560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550250303321 is a prime.

It is not a weakly prime, because it can be changed into another prime (550250303371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275125151660 + 275125151661.

It is an arithmetic number, because the mean of its divisors is an integer number (275125151661).

Almost surely, 2^550250303321 is an apocalyptic number.

It is an amenable number.

550250303321 is a deficient number, since it is larger than the sum of its proper divisors (1).

550250303321 is an equidigital number, since it uses as much as digits as its factorization.

550250303321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 550250303321 its reverse (123303052055), we get a palindrome (673553355376).

The spelling of 550250303321 in words is "five hundred fifty billion, two hundred fifty million, three hundred three thousand, three hundred twenty-one".