53671 has 4 divisors (see below), whose sum is σ = 54144. Its totient is φ = 53200.

The previous prime is 53657. The next prime is 53681. The reversal of 53671 is 17635.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17635 = 5 ⋅3527.

It is a cyclic number.

It is not a de Polignac number, because 53671 - 2⁵ = 53639 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51 + ... + 331.

It is an arithmetic number, because the mean of its divisors is an integer number (13536).

2⁵³⁶⁷¹ is an apocalyptic number.

53671 is a deficient number, since it is larger than the sum of its proper divisors (473).

53671 is a wasteful number, since it uses less digits than its factorization.

53671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its digits is 630, while the sum is 22.

The square root of 53671 is about 231.6700239565. The cubic root of 53671 is about 37.7207132176.

The spelling of 53671 in words is "fifty-three thousand, six hundred seventy-one".