5539405 has 4 divisors (see below), whose sum is σ = 6647292. Its totient is φ = 4431520.

The previous prime is 5539403. The next prime is 5539409. The reversal of 5539405 is 5049355.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3087049 + 2452356 = 1757^2 + 1566^2 .

It is not a de Polignac number, because 5539405 - 2¹ = 5539403 is a prime.

It is a Smith number, since the sum of its digits (31) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5539403) 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, 553936 + ... + 553945.

It is an arithmetic number, because the mean of its divisors is an integer number (1661823).

Almost surely, 2^5539405 is an apocalyptic number.

It is an amenable number.

5539405 is a deficient number, since it is larger than the sum of its proper divisors (1107887).

5539405 is a wasteful number, since it uses less digits than its factorization.

5539405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107886.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 5539405 is about 2353.5940601557. The cubic root of 5539405 is about 176.9379696881.

The spelling of 5539405 in words is "five million, five hundred thirty-nine thousand, four hundred five".