54905 has 8 divisors (see below), whose sum is σ = 67200. Its totient is φ = 43056.

The previous prime is 54881. The next prime is 54907. The reversal of 54905 is 50945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54905 - 2¹⁰ = 53881 is a prime.

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

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326 + ... + 464.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

2⁵⁴⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

54905 is a deficient number, since it is larger than the sum of its proper divisors (12295).

54905 is a wasteful number, since it uses less digits than its factorization.

54905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 54905 is about 234.3181597743. The cubic root of 54905 is about 38.0076162019.

It can be divided in two parts, 54 and 905, that added together give a palindrome (959).

The spelling of 54905 in words is "fifty-four thousand, nine hundred five".