53297539 has 2 divisors, whose sum is σ = 53297540. Its totient is φ = 53297538.

The previous prime is 53297513. The next prime is 53297611. The reversal of 53297539 is 93579235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53297539 - 2⁵ = 53297507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53297495 and 53297504.

It is not a weakly prime, because it can be changed into another prime (53297639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26648769 + 26648770.

It is an arithmetic number, because the mean of its divisors is an integer number (26648770).

Almost surely, 2^53297539 is an apocalyptic number.

53297539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53297539 is an equidigital number, since it uses as much as digits as its factorization.

53297539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 43.

The square root of 53297539 is about 7300.5163516014. The cubic root of 53297539 is about 376.3301833133.

The spelling of 53297539 in words is "fifty-three million, two hundred ninety-seven thousand, five hundred thirty-nine".