54505 has 8 divisors (see below), whose sum is σ = 71424. Its totient is φ = 39600.

The previous prime is 54503. The next prime is 54517. The reversal of 54505 is 50545.

54505 = T₉₄ + T₉₅ + ... + T₁₀₄.

It is a happy number.

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

It is not a de Polignac number, because 54505 - 2¹ = 54503 is a prime.

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

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 441 + ... + 550.

It is an arithmetic number, because the mean of its divisors is an integer number (8928).

2⁵⁴⁵⁰⁵ is an apocalyptic number.

54505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54505 is a deficient number, since it is larger than the sum of its proper divisors (16919).

54505 is a wasteful number, since it uses less digits than its factorization.

54505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 54505 is about 233.4630591764. The cubic root of 54505 is about 37.9150920464.

The spelling of 54505 in words is "fifty-four thousand, five hundred five".