550330321422 has 32 divisors (see below), whose sum is σ = 1258254662400. Its totient is φ = 157192636608.

The previous prime is 550330321397. The next prime is 550330321423. The reversal of 550330321422 is 224123033055.

It is a self number, because there is not a number n which added to its sum of digits gives 550330321422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550330321423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708272 + ... + 2004707.

It is an arithmetic number, because the mean of its divisors is an integer number (39320458200).

Almost surely, 2^550330321422 is an apocalyptic number.

550330321422 is an abundant number, since it is smaller than the sum of its proper divisors (707924340978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550330321422 is a wasteful number, since it uses less digits than its factorization.

550330321422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716520.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 550330321422 its reverse (224123033055), we get a palindrome (774453354477).

The spelling of 550330321422 in words is "five hundred fifty billion, three hundred thirty million, three hundred twenty-one thousand, four hundred twenty-two".