5439539 has 12 divisors (see below), whose sum is σ = 6533568. Its totient is φ = 4510800.

The previous prime is 5439527. The next prime is 5439547. The reversal of 5439539 is 9359345.

It is a de Polignac number, because none of the positive numbers 2^k-5439539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5439509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272 + ... + 3309.

It is an arithmetic number, because the mean of its divisors is an integer number (544464).

Almost surely, 2^5439539 is an apocalyptic number.

5439539 is a deficient number, since it is larger than the sum of its proper divisors (1094029).

5439539 is a wasteful number, since it uses less digits than its factorization.

5439539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3619 counting only the distinct ones).

The product of its digits is 72900, while the sum is 38.

The square root of 5439539 is about 2332.2819297846. The cubic root of 5439539 is about 175.8682187595.

It can be divided in two parts, 54 and 39539, that added together give a palindrome (39593).

The spelling of 5439539 in words is "five million, four hundred thirty-nine thousand, five hundred thirty-nine".