53166571 has 2 divisors, whose sum is σ = 53166572. Its totient is φ = 53166570.

The previous prime is 53166551. The next prime is 53166583. The reversal of 53166571 is 17566135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53166571 - 2⁹ = 53166059 is a prime.

It is not a weakly prime, because it can be changed into another prime (53166551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26583285 + 26583286.

It is an arithmetic number, because the mean of its divisors is an integer number (26583286).

Almost surely, 2^53166571 is an apocalyptic number.

53166571 is a deficient number, since it is larger than the sum of its proper divisors (1).

53166571 is an equidigital number, since it uses as much as digits as its factorization.

53166571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The square root of 53166571 is about 7291.5410579657. The cubic root of 53166571 is about 376.0216785260.

The spelling of 53166571 in words is "fifty-three million, one hundred sixty-six thousand, five hundred seventy-one".