5539709 has 4 divisors (see below), whose sum is σ = 6331104. Its totient is φ = 4748316.

The previous prime is 5539673. The next prime is 5539727. The reversal of 5539709 is 9079355.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9079355 = 5 ⋅1815871.

It is a cyclic number.

It is not a de Polignac number, because 5539709 - 2¹⁶ = 5474173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5539799) 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, 395687 + ... + 395700.

It is an arithmetic number, because the mean of its divisors is an integer number (1582776).

Almost surely, 2^5539709 is an apocalyptic number.

It is an amenable number.

5539709 is a deficient number, since it is larger than the sum of its proper divisors (791395).

5539709 is an equidigital number, since it uses as much as digits as its factorization.

5539709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791394.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 5539709 is about 2353.6586413497. The cubic root of 5539709 is about 176.9412063871.

The spelling of 5539709 in words is "five million, five hundred thirty-nine thousand, seven hundred nine".