53730791 has 2 divisors, whose sum is σ = 53730792. Its totient is φ = 53730790.

The previous prime is 53730749. The next prime is 53730793. The reversal of 53730791 is 19703735.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53730791 is a prime.

It is a Sophie Germain prime.

Together with 53730793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53730793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26865395 + 26865396.

It is an arithmetic number, because the mean of its divisors is an integer number (26865396).

Almost surely, 2^53730791 is an apocalyptic number.

53730791 is a deficient number, since it is larger than the sum of its proper divisors (1).

53730791 is an equidigital number, since it uses as much as digits as its factorization.

53730791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 53730791 is about 7330.1289893153. The cubic root of 53730791 is about 377.3471533026.

The spelling of 53730791 in words is "fifty-three million, seven hundred thirty thousand, seven hundred ninety-one".