550321512243 has 8 divisors (see below), whose sum is σ = 735513240000. Its totient is φ = 366005396328.

The previous prime is 550321512241. The next prime is 550321512253. The reversal of 550321512243 is 342215123055.

550321512243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550321512243 - 2¹ = 550321512241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550321512241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218901493 + ... + 218904006.

It is an arithmetic number, because the mean of its divisors is an integer number (91939155000).

Almost surely, 2^550321512243 is an apocalyptic number.

550321512243 is a deficient number, since it is larger than the sum of its proper divisors (185191727757).

550321512243 is a wasteful number, since it uses less digits than its factorization.

550321512243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437805921.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 550321512243 its reverse (342215123055), we get a palindrome (892536635298).

The spelling of 550321512243 in words is "five hundred fifty billion, three hundred twenty-one million, five hundred twelve thousand, two hundred forty-three".