550230050221 has 24 divisors (see below), whose sum is σ = 561011530464. Its totient is φ = 539615968320.

The previous prime is 550230050189. The next prime is 550230050239. The reversal of 550230050221 is 122050032055.

It is a happy number.

It is not a de Polignac number, because 550230050221 - 2⁵ = 550230050189 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 (550230050621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 805607346 + ... + 805608028.

It is an arithmetic number, because the mean of its divisors is an integer number (23375480436).

Almost surely, 2^550230050221 is an apocalyptic number.

It is an amenable number.

550230050221 is a deficient number, since it is larger than the sum of its proper divisors (10781480243).

550230050221 is a wasteful number, since it uses less digits than its factorization.

550230050221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 550230050221 its reverse (122050032055), we get a palindrome (672280082276).

The spelling of 550230050221 in words is "five hundred fifty billion, two hundred thirty million, fifty thousand, two hundred twenty-one".