550213200431 has 2 divisors, whose sum is σ = 550213200432. Its totient is φ = 550213200430.

The previous prime is 550213200413. The next prime is 550213200451. The reversal of 550213200431 is 134002312055.

It is a happy number.

Together with previous prime (550213200413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550213200431 - 2²⁶ = 550146091567 is a prime.

It is a super-2 number, since 2×550213200431² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550213200431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550213200451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275106600215 + 275106600216.

It is an arithmetic number, because the mean of its divisors is an integer number (275106600216).

Almost surely, 2^550213200431 is an apocalyptic number.

550213200431 is a deficient number, since it is larger than the sum of its proper divisors (1).

550213200431 is an equidigital number, since it uses as much as digits as its factorization.

550213200431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 550213200431 its reverse (134002312055), we get a palindrome (684215512486).

The spelling of 550213200431 in words is "five hundred fifty billion, two hundred thirteen million, two hundred thousand, four hundred thirty-one".