53646271 has 8 divisors (see below), whose sum is σ = 64916640. Its totient is φ = 43277568.

The previous prime is 53646247. The next prime is 53646277. The reversal of 53646271 is 17264635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53646271 - 2¹⁹ = 53121983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53646277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225286 + ... + 225523.

It is an arithmetic number, because the mean of its divisors is an integer number (8114580).

Almost surely, 2^53646271 is an apocalyptic number.

53646271 is a deficient number, since it is larger than the sum of its proper divisors (11270369).

53646271 is a wasteful number, since it uses less digits than its factorization.

53646271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450833.

The product of its digits is 30240, while the sum is 34.

The square root of 53646271 is about 7324.3614738761. The cubic root of 53646271 is about 377.1491903439.

The spelling of 53646271 in words is "fifty-three million, six hundred forty-six thousand, two hundred seventy-one".