5542809 has 4 divisors (see below), whose sum is σ = 7390416. Its totient is φ = 3695204.

The previous prime is 5542787. The next prime is 5542811. The reversal of 5542809 is 9082455.

5542809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5542809 - 2⁵ = 5542777 is a prime.

It is a super-2 number, since 2×5542809² = 61445463220962, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 5542809.

It is not an unprimeable number, because it can be changed into a prime (5542819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923799 + ... + 923804.

It is an arithmetic number, because the mean of its divisors is an integer number (1847604).

Almost surely, 2^5542809 is an apocalyptic number.

It is an amenable number.

5542809 is a deficient number, since it is larger than the sum of its proper divisors (1847607).

5542809 is a wasteful number, since it uses less digits than its factorization.

5542809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847606.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 5542809 is about 2354.3170984385. The cubic root of 5542809 is about 176.9742054402.

The spelling of 5542809 in words is "five million, five hundred forty-two thousand, eight hundred nine".