54903 has 4 divisors (see below), whose sum is σ = 73208. Its totient is φ = 36600.

The previous prime is 54881. The next prime is 54907. The reversal of 54903 is 30945.

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

It is not a de Polignac number, because 54903 - 2⁸ = 54647 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.

It is a self number, because there is not a number n which added to its sum of digits gives 54903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9148 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (18302).

2⁵⁴⁹⁰³ is an apocalyptic number.

54903 is a deficient number, since it is larger than the sum of its proper divisors (18305).

54903 is a wasteful number, since it uses less digits than its factorization.

54903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18304.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 54903 is about 234.3138920337. The cubic root of 54903 is about 38.0071547008.

The spelling of 54903 in words is "fifty-four thousand, nine hundred three".