550426043441 has 2 divisors, whose sum is σ = 550426043442. Its totient is φ = 550426043440.

The previous prime is 550426043413. The next prime is 550426043443. The reversal of 550426043441 is 144340624055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422862777841 + 127563265600 = 650279^2 + 357160^2 .

It is a cyclic number.

It is not a de Polignac number, because 550426043441 - 2¹⁰ = 550426042417 is a prime.

It is a super-2 number, since 2×550426043441² (a number of 24 digits) contains 22 as substring.

Together with 550426043443, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 550426043395 and 550426043404.

It is not a weakly prime, because it can be changed into another prime (550426043443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275213021720 + 275213021721.

It is an arithmetic number, because the mean of its divisors is an integer number (275213021721).

Almost surely, 2^550426043441 is an apocalyptic number.

It is an amenable number.

550426043441 is a deficient number, since it is larger than the sum of its proper divisors (1).

550426043441 is an equidigital number, since it uses as much as digits as its factorization.

550426043441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 550426043441 its reverse (144340624055), we get a palindrome (694766667496).

The spelling of 550426043441 in words is "five hundred fifty billion, four hundred twenty-six million, forty-three thousand, four hundred forty-one".