54731 has 4 divisors (see below), whose sum is σ = 55200. Its totient is φ = 54264.

The previous prime is 54727. The next prime is 54751. The reversal of 54731 is 13745.

It is a happy number.

54731 is nontrivially palindromic in base 13.

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: 13745 = 5 ⋅2749.

It is a cyclic number.

It is not a de Polignac number, because 54731 - 2² = 54727 is a prime.

It is a super-2 number, since 2×54731² = 5990964722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 54731.

It is not an unprimeable number, because it can be changed into a prime (54721) 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, 110 + ... + 348.

It is an arithmetic number, because the mean of its divisors is an integer number (13800).

2⁵⁴⁷³¹ is an apocalyptic number.

54731 is a deficient number, since it is larger than the sum of its proper divisors (469).

54731 is a wasteful number, since it uses less digits than its factorization.

54731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 420, while the sum is 20.

The square root of 54731 is about 233.9465750978. The cubic root of 54731 is about 37.9674236046.

The spelling of 54731 in words is "fifty-four thousand, seven hundred thirty-one".