54017 has 4 divisors (see below), whose sum is σ = 56880. Its totient is φ = 51156.

The previous prime is 54013. The next prime is 54037. The reversal of 54017 is 71045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54017 - 2² = 54013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53986 and 54004.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 54017.

It is not an unprimeable number, because it can be changed into a prime (54011) 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, 1403 + ... + 1440.

It is an arithmetic number, because the mean of its divisors is an integer number (14220).

It is a Proth number, since it is equal to 211 ⋅ 2⁸ + 1 and 211 < 2⁸.

2⁵⁴⁰¹⁷ is an apocalyptic number.

It is an amenable number.

54017 is a deficient number, since it is larger than the sum of its proper divisors (2863).

54017 is a wasteful number, since it uses less digits than its factorization.

54017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 54017 is about 232.4155760701. The cubic root of 54017 is about 37.8015974988.

It can be divided in two parts, 540 and 17, that multiplied together give a triangular number (9180 = T₁₃₅).

The spelling of 54017 in words is "fifty-four thousand, seventeen".