550250320231 has 4 divisors (see below), whose sum is σ = 551238202872. Its totient is φ = 549262437592.

The previous prime is 550250320229. The next prime is 550250320271. The reversal of 550250320231 is 132023052055.

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

It is a cyclic number.

It is not a de Polignac number, because 550250320231 - 2¹ = 550250320229 is a prime.

It is a super-2 number, since 2×550250320231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550250320231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550250320201) 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, 493940485 + ... + 493941598.

It is an arithmetic number, because the mean of its divisors is an integer number (137809550718).

Almost surely, 2^550250320231 is an apocalyptic number.

550250320231 is a deficient number, since it is larger than the sum of its proper divisors (987882641).

550250320231 is an equidigital number, since it uses as much as digits as its factorization.

550250320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987882640.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 550250320231 its reverse (132023052055), we get a palindrome (682273372286).

The spelling of 550250320231 in words is "five hundred fifty billion, two hundred fifty million, three hundred twenty thousand, two hundred thirty-one".