53242161 has 16 divisors (see below), whose sum is σ = 85401600. Its totient is φ = 28822608.

The previous prime is 53242151. The next prime is 53242177. The reversal of 53242161 is 16124235.

It is not a de Polignac number, because 53242161 - 2⁹ = 53241649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53242121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66321 + ... + 67118.

It is an arithmetic number, because the mean of its divisors is an integer number (5337600).

Almost surely, 2^53242161 is an apocalyptic number.

It is an amenable number.

53242161 is a deficient number, since it is larger than the sum of its proper divisors (32159439).

53242161 is a wasteful number, since it uses less digits than its factorization.

53242161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133468.

The product of its digits is 1440, while the sum is 24.

The square root of 53242161 is about 7296.7226204646. The cubic root of 53242161 is about 376.1997980871.

Adding to 53242161 its reverse (16124235), we get a palindrome (69366396).

The spelling of 53242161 in words is "fifty-three million, two hundred forty-two thousand, one hundred sixty-one".