5539645 has 4 divisors (see below), whose sum is σ = 6647580. Its totient is φ = 4431712.

The previous prime is 5539631. The next prime is 5539657. The reversal of 5539645 is 5469355.

5539645 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 an emirpimes, since its reverse is a distinct semiprime: 5469355 = 5 ⋅1093871.

It can be written as a sum of positive squares in 2 ways, for example, as 4280761 + 1258884 = 2069^2 + 1122^2 .

It is a cyclic number.

It is not a de Polignac number, because 5539645 - 2¹⁷ = 5408573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553960 + ... + 553969.

It is an arithmetic number, because the mean of its divisors is an integer number (1661895).

Almost surely, 2^5539645 is an apocalyptic number.

It is an amenable number.

5539645 is a deficient number, since it is larger than the sum of its proper divisors (1107935).

5539645 is a wasteful number, since it uses less digits than its factorization.

5539645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107934.

The product of its digits is 81000, while the sum is 37.

The square root of 5539645 is about 2353.6450454561. The cubic root of 5539645 is about 176.9405249866.

The spelling of 5539645 in words is "five million, five hundred thirty-nine thousand, six hundred forty-five".