53906291 has 2 divisors, whose sum is σ = 53906292. Its totient is φ = 53906290.

The previous prime is 53906261. The next prime is 53906297. The reversal of 53906291 is 19260935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53906291 - 2¹⁴ = 53889907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53906297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26953145 + 26953146.

It is an arithmetic number, because the mean of its divisors is an integer number (26953146).

Almost surely, 2^53906291 is an apocalyptic number.

53906291 is a deficient number, since it is larger than the sum of its proper divisors (1).

53906291 is an equidigital number, since it uses as much as digits as its factorization.

53906291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 53906291 is about 7342.0903699151. The cubic root of 53906291 is about 377.7575477409.

The spelling of 53906291 in words is "fifty-three million, nine hundred six thousand, two hundred ninety-one".