548845 has 16 divisors (see below), whose sum is σ = 762048. Its totient is φ = 375040.

The previous prime is 548843. The next prime is 548851.

548845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 548845 - 2¹ = 548843 is a prime.

It is a Duffinian number.

548845 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 548845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (47628).

2⁵⁴⁸⁸⁴⁵ is an apocalyptic number.

548845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

548845 is a deficient number, since it is larger than the sum of its proper divisors (213203).

548845 is a wasteful number, since it uses less digits than its factorization.

548845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 25600, while the sum is 34.

The square root of 548845 is about 740.8407386207. The cubic root of 548845 is about 81.8747343775.

The spelling of 548845 in words is "five hundred forty-eight thousand, eight hundred forty-five".