54147 has 4 divisors (see below), whose sum is σ = 72200. Its totient is φ = 36096.

The previous prime is 54139. The next prime is 54151. The reversal of 54147 is 74145.

54147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54147 - 2³ = 54139 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

54147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (54167) 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, 9022 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (18050).

2⁵⁴¹⁴⁷ is an apocalyptic number.

54147 is a deficient number, since it is larger than the sum of its proper divisors (18053).

54147 is a wasteful number, since it uses less digits than its factorization.

54147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18052.

The product of its digits is 560, while the sum is 21.

The square root of 54147 is about 232.6950794495. The cubic root of 54147 is about 37.8318982725.

The spelling of 54147 in words is "fifty-four thousand, one hundred forty-seven".