5516639 has 2 divisors, whose sum is σ = 5516640. Its totient is φ = 5516638.

The previous prime is 5516633. The next prime is 5516647. The reversal of 5516639 is 9366155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5516639 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5516599 and 5516608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5516633) 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 as a sum of consecutive naturals, namely, 2758319 + 2758320.

It is an arithmetic number, because the mean of its divisors is an integer number (2758320).

Almost surely, 2^5516639 is an apocalyptic number.

5516639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516639 is an equidigital number, since it uses as much as digits as its factorization.

5516639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 35.

The square root of 5516639 is about 2348.7526476834. The cubic root of 5516639 is about 176.6952420057.

The spelling of 5516639 in words is "five million, five hundred sixteen thousand, six hundred thirty-nine".