54506 has 4 divisors (see below), whose sum is σ = 81762. Its totient is φ = 27252.

The previous prime is 54503. The next prime is 54517. The reversal of 54506 is 60545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60545 = 5 ⋅12109.

It can be written as a sum of positive squares in only one way, i.e., 46225 + 8281 = 215^2 + 91^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (54503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13625 + ... + 13628.

2⁵⁴⁵⁰⁶ is an apocalyptic number.

54506 is a deficient number, since it is larger than the sum of its proper divisors (27256).

54506 is a wasteful number, since it uses less digits than its factorization.

54506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27255.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 54506 is about 233.4652008330. The cubic root of 54506 is about 37.9153239203.

The spelling of 54506 in words is "fifty-four thousand, five hundred six".