53066249 has 2 divisors, whose sum is σ = 53066250. Its totient is φ = 53066248.

The previous prime is 53066239. The next prime is 53066261. The reversal of 53066249 is 94266035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50310649 + 2755600 = 7093^2 + 1660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53066249 is a prime.

It is not a weakly prime, because it can be changed into another prime (53066219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26533124 + 26533125.

It is an arithmetic number, because the mean of its divisors is an integer number (26533125).

Almost surely, 2^53066249 is an apocalyptic number.

It is an amenable number.

53066249 is a deficient number, since it is larger than the sum of its proper divisors (1).

53066249 is an equidigital number, since it uses as much as digits as its factorization.

53066249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 53066249 is about 7284.6584683155. The cubic root of 53066249 is about 375.7850198000.

The spelling of 53066249 in words is "fifty-three million, sixty-six thousand, two hundred forty-nine".