550324231213 has 4 divisors (see below), whose sum is σ = 551512836928. Its totient is φ = 549135625500.

The previous prime is 550324231207. The next prime is 550324231277. The reversal of 550324231213 is 312132423055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550324231213 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 (550324331213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594302163 + ... + 594303088.

It is an arithmetic number, because the mean of its divisors is an integer number (137878209232).

Almost surely, 2^550324231213 is an apocalyptic number.

It is an amenable number.

550324231213 is a deficient number, since it is larger than the sum of its proper divisors (1188605715).

550324231213 is a wasteful number, since it uses less digits than its factorization.

550324231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188605714.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 550324231213 its reverse (312132423055), we get a palindrome (862456654268).

The spelling of 550324231213 in words is "five hundred fifty billion, three hundred twenty-four million, two hundred thirty-one thousand, two hundred thirteen".