550065061571 has 2 divisors, whose sum is σ = 550065061572. Its totient is φ = 550065061570.

The previous prime is 550065061549. The next prime is 550065061577. The reversal of 550065061571 is 175160560055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550065061571 - 2¹⁰ = 550065060547 is a prime.

It is a super-2 number, since 2×550065061571² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (550065061577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275032530785 + 275032530786.

It is an arithmetic number, because the mean of its divisors is an integer number (275032530786).

Almost surely, 2^550065061571 is an apocalyptic number.

550065061571 is a deficient number, since it is larger than the sum of its proper divisors (1).

550065061571 is an equidigital number, since it uses as much as digits as its factorization.

550065061571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 550065061571 in words is "five hundred fifty billion, sixty-five million, sixty-one thousand, five hundred seventy-one".