550213545571 has 2 divisors, whose sum is σ = 550213545572. Its totient is φ = 550213545570.

The previous prime is 550213545527. The next prime is 550213545613. The reversal of 550213545571 is 175545312055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550213545571 - 2⁹ = 550213545059 is a prime.

It is not a weakly prime, because it can be changed into another prime (550213545671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275106772785 + 275106772786.

It is an arithmetic number, because the mean of its divisors is an integer number (275106772786).

Almost surely, 2^550213545571 is an apocalyptic number.

550213545571 is a deficient number, since it is larger than the sum of its proper divisors (1).

550213545571 is an equidigital number, since it uses as much as digits as its factorization.

550213545571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525000, while the sum is 43.

The spelling of 550213545571 in words is "five hundred fifty billion, two hundred thirteen million, five hundred forty-five thousand, five hundred seventy-one".