5599643 has 4 divisors (see below), whose sum is σ = 6399600. Its totient is φ = 4799688.

The previous prime is 5599637. The next prime is 5599651. The reversal of 5599643 is 3469955.

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 5599643 - 2¹⁶ = 5534107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5599643.

It is not an unprimeable number, because it can be changed into a prime (5599663) 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, 399968 + ... + 399981.

It is an arithmetic number, because the mean of its divisors is an integer number (1599900).

Almost surely, 2^5599643 is an apocalyptic number.

5599643 is a deficient number, since it is larger than the sum of its proper divisors (799957).

5599643 is an equidigital number, since it uses as much as digits as its factorization.

5599643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799956.

The product of its digits is 145800, while the sum is 41.

The square root of 5599643 is about 2366.3564820204. The cubic root of 5599643 is about 177.5770266763.

The spelling of 5599643 in words is "five million, five hundred ninety-nine thousand, six hundred forty-three".