550443525427811 has 2 divisors, whose sum is σ = 550443525427812. Its totient is φ = 550443525427810.

The previous prime is 550443525427777. The next prime is 550443525427813. The reversal of 550443525427811 is 118724525344055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550443525427811 is a prime.

It is a super-3 number, since 3×550443525427811³ (a number of 45 digits) contains 333 as substring.

Together with 550443525427813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550443525427813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275221762713905 + 275221762713906.

It is an arithmetic number, because the mean of its divisors is an integer number (275221762713906).

Almost surely, 2^{550443525427811} is an apocalyptic number.

550443525427811 is a deficient number, since it is larger than the sum of its proper divisors (1).

550443525427811 is an equidigital number, since it uses as much as digits as its factorization.

550443525427811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880000, while the sum is 56.

The spelling of 550443525427811 in words is "five hundred fifty trillion, four hundred forty-three billion, five hundred twenty-five million, four hundred twenty-seven thousand, eight hundred eleven".