75655271 has 2 divisors, whose sum is σ = 75655272. Its totient is φ = 75655270.

The previous prime is 75655213. The next prime is 75655273. The reversal of 75655271 is 17255657.

It is a strong prime.

It is an emirp because it is prime and its reverse (17255657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75655271 - 2¹⁰ = 75654247 is a prime.

Together with 75655273, 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 (75655273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37827635 + 37827636.

It is an arithmetic number, because the mean of its divisors is an integer number (37827636).

Almost surely, 2^75655271 is an apocalyptic number.

75655271 is a deficient number, since it is larger than the sum of its proper divisors (1).

75655271 is an equidigital number, since it uses as much as digits as its factorization.

75655271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 75655271 is about 8698.0038514593. The cubic root of 75655271 is about 422.9409441258.

The spelling of 75655271 in words is "seventy-five million, six hundred fifty-five thousand, two hundred seventy-one".