52442171 has 2 divisors, whose sum is σ = 52442172. Its totient is φ = 52442170.

The previous prime is 52442123. The next prime is 52442191. The reversal of 52442171 is 17124425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52442171 - 2¹⁴ = 52425787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52442171.

It is not a weakly prime, because it can be changed into another prime (52442191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26221085 + 26221086.

It is an arithmetic number, because the mean of its divisors is an integer number (26221086).

Almost surely, 2^52442171 is an apocalyptic number.

52442171 is a deficient number, since it is larger than the sum of its proper divisors (1).

52442171 is an equidigital number, since it uses as much as digits as its factorization.

52442171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 26.

The square root of 52442171 is about 7241.6966934552. The cubic root of 52442171 is about 374.3060850404.

Adding to 52442171 its reverse (17124425), we get a palindrome (69566596).

The spelling of 52442171 in words is "fifty-two million, four hundred forty-two thousand, one hundred seventy-one".