550213205533 has 2 divisors, whose sum is σ = 550213205534. Its totient is φ = 550213205532.

The previous prime is 550213205483. The next prime is 550213205593. The reversal of 550213205533 is 335502312055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549522724804 + 690480729 = 741298^2 + 26277^2 .

It is a cyclic number.

It is not a de Polignac number, because 550213205533 - 2²⁹ = 549676334621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550213205593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275106602766 + 275106602767.

It is an arithmetic number, because the mean of its divisors is an integer number (275106602767).

Almost surely, 2^550213205533 is an apocalyptic number.

It is an amenable number.

550213205533 is a deficient number, since it is larger than the sum of its proper divisors (1).

550213205533 is an equidigital number, since it uses as much as digits as its factorization.

550213205533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 550213205533 its reverse (335502312055), we get a palindrome (885715517588).

The spelling of 550213205533 in words is "five hundred fifty billion, two hundred thirteen million, two hundred five thousand, five hundred thirty-three".