550220043231 has 24 divisors (see below), whose sum is σ = 824314682880. Its totient is φ = 353239849536.

The previous prime is 550220043227. The next prime is 550220043239. The reversal of 550220043231 is 132340022055.

It is a happy number.

550220043231 is a `hidden beast` number, since 5 + 5 + 0 + 220 + 0 + 432 + 3 + 1 = 666.

It is not a de Polignac number, because 550220043231 - 2² = 550220043227 is a prime.

It is a super-2 number, since 2×550220043231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550220043195 and 550220043204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550220043239) 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, 2652156 + ... + 2852081.

It is an arithmetic number, because the mean of its divisors is an integer number (34346445120).

Almost surely, 2^550220043231 is an apocalyptic number.

550220043231 is a deficient number, since it is larger than the sum of its proper divisors (274094639649).

550220043231 is a wasteful number, since it uses less digits than its factorization.

550220043231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504655 (or 5504652 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 550220043231 its reverse (132340022055), we get a palindrome (682560065286).

The spelling of 550220043231 in words is "five hundred fifty billion, two hundred twenty million, forty-three thousand, two hundred thirty-one".