53847791 has 2 divisors, whose sum is σ = 53847792. Its totient is φ = 53847790.

The previous prime is 53847779. The next prime is 53847799. The reversal of 53847791 is 19774835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53847791 - 2⁶ = 53847727 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53847799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26923895 + 26923896.

It is an arithmetic number, because the mean of its divisors is an integer number (26923896).

Almost surely, 2^53847791 is an apocalyptic number.

53847791 is a deficient number, since it is larger than the sum of its proper divisors (1).

53847791 is an equidigital number, since it uses as much as digits as its factorization.

53847791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 53847791 is about 7338.1054094364. The cubic root of 53847791 is about 377.6208486967.

The spelling of 53847791 in words is "fifty-three million, eight hundred forty-seven thousand, seven hundred ninety-one".