54817 has 8 divisors (see below), whose sum is σ = 64512. Its totient is φ = 45600.

The previous prime is 54799. The next prime is 54829. The reversal of 54817 is 71845.

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

It is a cyclic number.

It is not a de Polignac number, because 54817 - 2¹¹ = 52769 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 54791 and 54800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54877) 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 7 ways as a sum of consecutive naturals, for example, 192 + ... + 382.

It is an arithmetic number, because the mean of its divisors is an integer number (8064).

2⁵⁴⁸¹⁷ is an apocalyptic number.

It is an amenable number.

54817 is a deficient number, since it is larger than the sum of its proper divisors (9695).

54817 is a wasteful number, since it uses less digits than its factorization.

54817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

The product of its digits is 1120, while the sum is 25.

The square root of 54817 is about 234.1303055993. The cubic root of 54817 is about 37.9872995415.

It can be divided in two parts, 548 and 17, that multiplied together give a triangular number (9316 = T₁₃₆).

The spelling of 54817 in words is "fifty-four thousand, eight hundred seventeen".