53091271 has 2 divisors, whose sum is σ = 53091272. Its totient is φ = 53091270.

The previous prime is 53091223. The next prime is 53091293. The reversal of 53091271 is 17219035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53091271 - 2¹⁷ = 52960199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53091211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26545635 + 26545636.

It is an arithmetic number, because the mean of its divisors is an integer number (26545636).

Almost surely, 2^53091271 is an apocalyptic number.

53091271 is a deficient number, since it is larger than the sum of its proper divisors (1).

53091271 is an equidigital number, since it uses as much as digits as its factorization.

53091271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 53091271 is about 7286.3757108730. The cubic root of 53091271 is about 375.8440743807.

The spelling of 53091271 in words is "fifty-three million, ninety-one thousand, two hundred seventy-one".