53711 has 4 divisors (see below), whose sum is σ = 61392. Its totient is φ = 46032.

The previous prime is 53699. The next prime is 53717. The reversal of 53711 is 11735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11735 = 5 ⋅2347.

It is a de Polignac number, because none of the positive numbers 2^k-53711 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 53711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53717) 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, 3830 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (15348).

2⁵³⁷¹¹ is an apocalyptic number.

53711 is a deficient number, since it is larger than the sum of its proper divisors (7681).

53711 is an equidigital number, since it uses as much as digits as its factorization.

53711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680.

The product of its digits is 105, while the sum is 17.

The square root of 53711 is about 231.7563375617. The cubic root of 53711 is about 37.7300817397.

The spelling of 53711 in words is "fifty-three thousand, seven hundred eleven".