5539939 has 4 divisors (see below), whose sum is σ = 5553520. Its totient is φ = 5526360.

The previous prime is 5539927. The next prime is 5539949. The reversal of 5539939 is 9399355.

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 5539939 - 2⁵ = 5539907 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁹ + 5⁹ + 3⁹ + 9⁴ + 9⁴ + 3¹³ + 9⁴ .

It is a Duffinian number.

5539939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5539895 and 5539904.

It is not an unprimeable number, because it can be changed into a prime (5539949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6159 + ... + 7000.

It is an arithmetic number, because the mean of its divisors is an integer number (1388380).

Almost surely, 2^5539939 is an apocalyptic number.

5539939 is a deficient number, since it is larger than the sum of its proper divisors (13581).

5539939 is a wasteful number, since it uses less digits than its factorization.

5539939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13580.

The product of its digits is 164025, while the sum is 43.

The square root of 5539939 is about 2353.7075009440. The cubic root of 5539939 is about 176.9436551267.

The spelling of 5539939 in words is "five million, five hundred thirty-nine thousand, nine hundred thirty-nine".