53565293 has 2 divisors, whose sum is σ = 53565294. Its totient is φ = 53565292.

The previous prime is 53565263. The next prime is 53565301. The reversal of 53565293 is 39256535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 2271049 = 7162^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 53565293 - 2⁸ = 53565037 is a prime.

It is a super-2 number, since 2×53565293² = 5738481228351698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53565203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26782646 + 26782647.

It is an arithmetic number, because the mean of its divisors is an integer number (26782647).

Almost surely, 2^53565293 is an apocalyptic number.

It is an amenable number.

53565293 is a deficient number, since it is larger than the sum of its proper divisors (1).

53565293 is an equidigital number, since it uses as much as digits as its factorization.

53565293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 38.

The square root of 53565293 is about 7318.8313957899. The cubic root of 53565293 is about 376.9593283313.

The spelling of 53565293 in words is "fifty-three million, five hundred sixty-five thousand, two hundred ninety-three".