53066261 has 2 divisors, whose sum is σ = 53066262. Its totient is φ = 53066260.

The previous prime is 53066249. The next prime is 53066287. The reversal of 53066261 is 16266035.

53066261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35164900 + 17901361 = 5930^2 + 4231^2 .

It is a cyclic number.

It is not a de Polignac number, because 53066261 - 2¹⁰ = 53065237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53066291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26533130 + 26533131.

It is an arithmetic number, because the mean of its divisors is an integer number (26533131).

Almost surely, 2^53066261 is an apocalyptic number.

It is an amenable number.

53066261 is a deficient number, since it is larger than the sum of its proper divisors (1).

53066261 is an equidigital number, since it uses as much as digits as its factorization.

53066261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 53066261 is about 7284.6592919642. The cubic root of 53066261 is about 375.7850481257.

The spelling of 53066261 in words is "fifty-three million, sixty-six thousand, two hundred sixty-one".