54681 has 8 divisors (see below), whose sum is σ = 79584. Its totient is φ = 33120.

The previous prime is 54679. The next prime is 54709. The reversal of 54681 is 18645.

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

It is not a de Polignac number, because 54681 - 2¹ = 54679 is a prime.

It is a super-2 number, since 2×54681² = 5980023522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a plaindrome in base 12.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (54601) 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, 796 + ... + 861.

It is an arithmetic number, because the mean of its divisors is an integer number (9948).

2⁵⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

54681 is a deficient number, since it is larger than the sum of its proper divisors (24903).

54681 is a wasteful number, since it uses less digits than its factorization.

54681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its digits is 960, while the sum is 24.

The square root of 54681 is about 233.8396886758. The cubic root of 54681 is about 37.9558582543.

The spelling of 54681 in words is "fifty-four thousand, six hundred eighty-one".