548891 has 8 divisors (see below), whose sum is σ = 660480. Its totient is φ = 445608.

The previous prime is 548869. The next prime is 548893. The reversal of 548891 is 198845.

548891 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

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 548891 - 2⁶ = 548827 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (548893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (82560).

2⁵⁴⁸⁸⁹¹ is an apocalyptic number.

548891 is a deficient number, since it is larger than the sum of its proper divisors (111589).

548891 is a wasteful number, since it uses less digits than its factorization.

548891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153.

The product of its digits is 11520, while the sum is 35.

The square root of 548891 is about 740.8717837791. The cubic root of 548891 is about 81.8770216854.

The spelling of 548891 in words is "five hundred forty-eight thousand, eight hundred ninety-one".