54493 has 2 divisors, whose sum is σ = 54494. Its totient is φ = 54492.

The previous prime is 54469. The next prime is 54497. The reversal of 54493 is 39445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40804 + 13689 = 202^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 54493 - 2¹³ = 46301 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27246 + 27247.

It is an arithmetic number, because the mean of its divisors is an integer number (27247).

2⁵⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

54493 is a deficient number, since it is larger than the sum of its proper divisors (1).

54493 is an equidigital number, since it uses as much as digits as its factorization.

54493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 54493 is about 233.4373577643. The cubic root of 54493 is about 37.9123093384.

The spelling of 54493 in words is "fifty-four thousand, four hundred ninety-three".