5539819 has 4 divisors (see below), whose sum is σ = 5668696. Its totient is φ = 5410944.

The previous prime is 5539817. The next prime is 5539829. The reversal of 5539819 is 9189355.

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 5539819 - 2¹ = 5539817 is a prime.

It is a super-2 number, since 2×5539819² = 61379189105522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5539817) 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, 64374 + ... + 64459.

It is an arithmetic number, because the mean of its divisors is an integer number (1417174).

Almost surely, 2^5539819 is an apocalyptic number.

5539819 is a deficient number, since it is larger than the sum of its proper divisors (128877).

5539819 is a wasteful number, since it uses less digits than its factorization.

5539819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128876.

The product of its digits is 48600, while the sum is 40.

The square root of 5539819 is about 2353.6820091083. The cubic root of 5539819 is about 176.9423775319.

The spelling of 5539819 in words is "five million, five hundred thirty-nine thousand, eight hundred nineteen".