5523539 has 4 divisors (see below), whose sum is σ = 6312624. Its totient is φ = 4734456.

The previous prime is 5523527. The next prime is 5523541. The reversal of 5523539 is 9353255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9353255 = 5 ⋅1870651.

It is a cyclic number.

It is not a de Polignac number, because 5523539 - 2²⁰ = 4474963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5523559) 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, 394532 + ... + 394545.

It is an arithmetic number, because the mean of its divisors is an integer number (1578156).

Almost surely, 2^5523539 is an apocalyptic number.

5523539 is a deficient number, since it is larger than the sum of its proper divisors (789085).

5523539 is an equidigital number, since it uses as much as digits as its factorization.

5523539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789084.

The product of its digits is 20250, while the sum is 32.

The square root of 5523539 is about 2350.2210534331. The cubic root of 5523539 is about 176.7688791855.

The spelling of 5523539 in words is "five million, five hundred twenty-three thousand, five hundred thirty-nine".