53306291 has 2 divisors, whose sum is σ = 53306292. Its totient is φ = 53306290.

The previous prime is 53306269. The next prime is 53306293. The reversal of 53306291 is 19260335.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53306291 is a prime.

Together with 53306293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53306293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26653145 + 26653146.

It is an arithmetic number, because the mean of its divisors is an integer number (26653146).

Almost surely, 2^53306291 is an apocalyptic number.

53306291 is a deficient number, since it is larger than the sum of its proper divisors (1).

53306291 is an equidigital number, since it uses as much as digits as its factorization.

53306291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 53306291 is about 7301.1157366529. The cubic root of 53306291 is about 376.3507812718.

The spelling of 53306291 in words is "fifty-three million, three hundred six thousand, two hundred ninety-one".