54069 has 8 divisors (see below), whose sum is σ = 73440. Its totient is φ = 35376.

The previous prime is 54059. The next prime is 54083. The reversal of 54069 is 96045.

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

It is not a de Polignac number, because 54069 - 2⁵ = 54037 is a prime.

It is a super-4 number, since 4×54069⁴ = 34186397733746444484, which contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

54069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54049) 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, 67 + ... + 335.

It is an arithmetic number, because the mean of its divisors is an integer number (9180).

2⁵⁴⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

54069 is a deficient number, since it is larger than the sum of its proper divisors (19371).

54069 is a wasteful number, since it uses less digits than its factorization.

54069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 54069 is about 232.5274177382. The cubic root of 54069 is about 37.8137236359.

Subtracting from 54069 its sum of digits (24), we obtain a palindrome (54045).

The spelling of 54069 in words is "fifty-four thousand, sixty-nine".