5548891 has 4 divisors (see below), whose sum is σ = 5643000. Its totient is φ = 5454784.

The previous prime is 5548871. The next prime is 5548897. The reversal of 5548891 is 1988455.

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

It is a cyclic number.

It is not a de Polignac number, because 5548891 - 2⁵ = 5548859 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5548897) 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 3 ways as a sum of consecutive naturals, for example, 46966 + ... + 47083.

It is an arithmetic number, because the mean of its divisors is an integer number (1410750).

Almost surely, 2^5548891 is an apocalyptic number.

5548891 is a deficient number, since it is larger than the sum of its proper divisors (94109).

5548891 is an equidigital number, since it uses as much as digits as its factorization.

5548891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94108.

The product of its digits is 57600, while the sum is 40.

The square root of 5548891 is about 2355.6084139772. The cubic root of 5548891 is about 177.0389117212.

The spelling of 5548891 in words is "five million, five hundred forty-eight thousand, eight hundred ninety-one".