53115329 has 2 divisors, whose sum is σ = 53115330. Its totient is φ = 53115328.

The previous prime is 53115301. The next prime is 53115331. The reversal of 53115329 is 92351135.

53115329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49674304 + 3441025 = 7048^2 + 1855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53115329 is a prime.

It is a Sophie Germain prime.

Together with 53115331, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53115229) 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, 26557664 + 26557665.

It is an arithmetic number, because the mean of its divisors is an integer number (26557665).

Almost surely, 2^53115329 is an apocalyptic number.

It is an amenable number.

53115329 is a deficient number, since it is larger than the sum of its proper divisors (1).

53115329 is an equidigital number, since it uses as much as digits as its factorization.

53115329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 29.

The square root of 53115329 is about 7288.0264132342. The cubic root of 53115329 is about 375.9008363250.

The spelling of 53115329 in words is "fifty-three million, one hundred fifteen thousand, three hundred twenty-nine".