53865271 has 4 divisors (see below), whose sum is σ = 53938512. Its totient is φ = 53792032.

The previous prime is 53865269. The next prime is 53865277. The reversal of 53865271 is 17256835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53865271 - 2¹ = 53865269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53865271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53865277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35506 + ... + 36991.

It is an arithmetic number, because the mean of its divisors is an integer number (13484628).

Almost surely, 2^53865271 is an apocalyptic number.

53865271 is a deficient number, since it is larger than the sum of its proper divisors (73241).

53865271 is an equidigital number, since it uses as much as digits as its factorization.

53865271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73240.

The product of its digits is 50400, while the sum is 37.

The square root of 53865271 is about 7339.2963559186. The cubic root of 53865271 is about 377.6617052059.

The spelling of 53865271 in words is "fifty-three million, eight hundred sixty-five thousand, two hundred seventy-one".