550025324442 has 96 divisors (see below), whose sum is σ = 1345377384000. Its totient is φ = 160868574720.

The previous prime is 550025324363. The next prime is 550025324447. The reversal of 550025324442 is 244423520055.

550025324442 is a `hidden beast` number, since 550 + 0 + 25 + 3 + 2 + 44 + 42 = 666.

It is a super-2 number, since 2×550025324442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550025324397 and 550025324406.

It is not an unprimeable number, because it can be changed into a prime (550025324447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17319234 + ... + 17350962.

It is an arithmetic number, because the mean of its divisors is an integer number (14014347750).

Almost surely, 2^550025324442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550025324442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672688692000).

550025324442 is an abundant number, since it is smaller than the sum of its proper divisors (795352059558).

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

550025324442 is a wasteful number, since it uses less digits than its factorization.

550025324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34796 (or 34793 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 550025324442 its reverse (244423520055), we get a palindrome (794448844497).

The spelling of 550025324442 in words is "five hundred fifty billion, twenty-five million, three hundred twenty-four thousand, four hundred forty-two".