550363303613 has 4 divisors (see below), whose sum is σ = 550422638460. Its totient is φ = 550303968768.

The previous prime is 550363303583. The next prime is 550363303621. The reversal of 550363303613 is 316303363055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 420217690564 + 130145613049 = 648242^2 + 360757^2 .

It is a cyclic number.

It is not a de Polignac number, because 550363303613 - 2⁶ = 550363303549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550363303313) 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 in 3 ways as a sum of consecutive naturals, for example, 29653508 + ... + 29672061.

It is an arithmetic number, because the mean of its divisors is an integer number (137605659615).

Almost surely, 2^550363303613 is an apocalyptic number.

It is an amenable number.

550363303613 is a deficient number, since it is larger than the sum of its proper divisors (59334847).

550363303613 is an equidigital number, since it uses as much as digits as its factorization.

550363303613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59334846.

The product of its (nonzero) digits is 218700, while the sum is 38.

Adding to 550363303613 its reverse (316303363055), we get a palindrome (866666666668).

The spelling of 550363303613 in words is "five hundred fifty billion, three hundred sixty-three million, three hundred three thousand, six hundred thirteen".