54291 has 4 divisors (see below), whose sum is σ = 72392. Its totient is φ = 36192.

The previous prime is 54287. The next prime is 54293. The reversal of 54291 is 19245.

Added to its reverse (19245) it gives a triangular number (73536 = T₃₈₃).

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54291 - 2² = 54287 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9046 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (18098).

2⁵⁴²⁹¹ is an apocalyptic number.

54291 is a deficient number, since it is larger than the sum of its proper divisors (18101).

54291 is a wasteful number, since it uses less digits than its factorization.

54291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18100.

The product of its digits is 360, while the sum is 21.

The square root of 54291 is about 233.0042918060. The cubic root of 54291 is about 37.8654056453.

Adding to 54291 its reverse (19245), we get a triangular number (73536 = T₃₈₃).

The spelling of 54291 in words is "fifty-four thousand, two hundred ninety-one".