53215271 has 2 divisors, whose sum is σ = 53215272. Its totient is φ = 53215270.

The previous prime is 53215247. The next prime is 53215277. The reversal of 53215271 is 17251235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53215271 - 2⁶ = 53215207 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53215271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53215277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26607635 + 26607636.

It is an arithmetic number, because the mean of its divisors is an integer number (26607636).

Almost surely, 2^53215271 is an apocalyptic number.

53215271 is a deficient number, since it is larger than the sum of its proper divisors (1).

53215271 is an equidigital number, since it uses as much as digits as its factorization.

53215271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 53215271 is about 7294.8797796811. The cubic root of 53215271 is about 376.1364540762.

The spelling of 53215271 in words is "fifty-three million, two hundred fifteen thousand, two hundred seventy-one".