5599609 has 4 divisors (see below), whose sum is σ = 5705316. Its totient is φ = 5493904.

The previous prime is 5599591. The next prime is 5599637. The reversal of 5599609 is 9069955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9069955 = 5 ⋅1813991.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 4012009 = 1260^2 + 2003^2 .

It is a cyclic number.

It is not a de Polignac number, because 5599609 - 2⁵ = 5599577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5599669) 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, 52774 + ... + 52879.

It is an arithmetic number, because the mean of its divisors is an integer number (1426329).

Almost surely, 2^5599609 is an apocalyptic number.

It is an amenable number.

5599609 is a deficient number, since it is larger than the sum of its proper divisors (105707).

5599609 is a wasteful number, since it uses less digits than its factorization.

5599609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105706.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 5599609 is about 2366.3492979693. The cubic root of 5599609 is about 177.5766672706.

The spelling of 5599609 in words is "five million, five hundred ninety-nine thousand, six hundred nine".