53688271 has 24 divisors (see below), whose sum is σ = 68085360. Its totient is φ = 41956992.

The previous prime is 53688269. The next prime is 53688287. The reversal of 53688271 is 17288635.

It is not a de Polignac number, because 53688271 - 2¹ = 53688269 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53688211) 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 23 ways as a sum of consecutive naturals, for example, 56220 + ... + 57166.

It is an arithmetic number, because the mean of its divisors is an integer number (2836890).

Almost surely, 2^53688271 is an apocalyptic number.

53688271 is a deficient number, since it is larger than the sum of its proper divisors (14397089).

53688271 is a wasteful number, since it uses less digits than its factorization.

53688271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1056 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 53688271 is about 7327.2280570486. The cubic root of 53688271 is about 377.2475888202.

The spelling of 53688271 in words is "fifty-three million, six hundred eighty-eight thousand, two hundred seventy-one".