54503 has 2 divisors, whose sum is σ = 54504. Its totient is φ = 54502.

The previous prime is 54499. The next prime is 54517. The reversal of 54503 is 30545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54503 - 2² = 54499 is a prime.

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

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 (54563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27251 + 27252.

It is an arithmetic number, because the mean of its divisors is an integer number (27252).

2⁵⁴⁵⁰³ is an apocalyptic number.

54503 is a deficient number, since it is larger than the sum of its proper divisors (1).

54503 is an equidigital number, since it uses as much as digits as its factorization.

54503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 54503 is about 233.4587758042. The cubic root of 54503 is about 37.9146282901.

The spelling of 54503 in words is "fifty-four thousand, five hundred three".