52566161 has 2 divisors, whose sum is σ = 52566162. Its totient is φ = 52566160.

The previous prime is 52566139. The next prime is 52566169. The reversal of 52566161 is 16166525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 2085136 = 7105^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 52566161 - 2¹⁰ = 52565137 is a prime.

It is not a weakly prime, because it can be changed into another prime (52566169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26283080 + 26283081.

It is an arithmetic number, because the mean of its divisors is an integer number (26283081).

Almost surely, 2^52566161 is an apocalyptic number.

It is an amenable number.

52566161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52566161 is an equidigital number, since it uses as much as digits as its factorization.

52566161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 52566161 is about 7250.2524783624. The cubic root of 52566161 is about 374.6008458051.

The spelling of 52566161 in words is "fifty-two million, five hundred sixty-six thousand, one hundred sixty-one".