53066969 has 2 divisors, whose sum is σ = 53066970. Its totient is φ = 53066968.

The previous prime is 53066941. The next prime is 53066999. The reversal of 53066969 is 96966035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 14478025 = 6212^2 + 3805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53066969 is a prime.

It is a super-2 number, since 2×53066969² = 5632206397693922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53066999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26533484 + 26533485.

It is an arithmetic number, because the mean of its divisors is an integer number (26533485).

Almost surely, 2^53066969 is an apocalyptic number.

It is an amenable number.

53066969 is a deficient number, since it is larger than the sum of its proper divisors (1).

53066969 is an equidigital number, since it uses as much as digits as its factorization.

53066969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 53066969 is about 7284.7078870741. The cubic root of 53066969 is about 375.7867193359.

The spelling of 53066969 in words is "fifty-three million, sixty-six thousand, nine hundred sixty-nine".