53042161 has 2 divisors, whose sum is σ = 53042162. Its totient is φ = 53042160.

The previous prime is 53042107. The next prime is 53042173. The reversal of 53042161 is 16124035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 19633761 = 5780^2 + 4431^2 .

It is a cyclic number.

It is not a de Polignac number, because 53042161 - 2¹³ = 53033969 is a prime.

It is not a weakly prime, because it can be changed into another prime (53042191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26521080 + 26521081.

It is an arithmetic number, because the mean of its divisors is an integer number (26521081).

Almost surely, 2^53042161 is an apocalyptic number.

It is an amenable number.

53042161 is a deficient number, since it is larger than the sum of its proper divisors (1).

53042161 is an equidigital number, since it uses as much as digits as its factorization.

53042161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 53042161 is about 7283.0049430163. The cubic root of 53042161 is about 375.7281520187.

Adding to 53042161 its reverse (16124035), we get a palindrome (69166196).

The spelling of 53042161 in words is "fifty-three million, forty-two thousand, one hundred sixty-one".