54005 has 8 divisors (see below), whose sum is σ = 74112. Its totient is φ = 37008.

The previous prime is 54001. The next prime is 54011. The reversal of 54005 is 50045.

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 54005 - 2² = 54001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54001) 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, 737 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (9264).

2⁵⁴⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

54005 is a deficient number, since it is larger than the sum of its proper divisors (20107).

54005 is a wasteful number, since it uses less digits than its factorization.

54005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 54005 is about 232.3897588105. The cubic root of 54005 is about 37.7987980544.

It can be divided in two parts, 5400 and 5, that multiplied together give a cube (27000 = 30³).

The spelling of 54005 in words is "fifty-four thousand, five".