53845091 has 2 divisors, whose sum is σ = 53845092. Its totient is φ = 53845090.

The previous prime is 53845087. The next prime is 53845117. The reversal of 53845091 is 19054835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53845091 - 2² = 53845087 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53845391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26922545 + 26922546.

It is an arithmetic number, because the mean of its divisors is an integer number (26922546).

Almost surely, 2^53845091 is an apocalyptic number.

53845091 is a deficient number, since it is larger than the sum of its proper divisors (1).

53845091 is an equidigital number, since it uses as much as digits as its factorization.

53845091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 53845091 is about 7337.9214359381. The cubic root of 53845091 is about 377.6145371203.

The spelling of 53845091 in words is "fifty-three million, eight hundred forty-five thousand, ninety-one".