5518687 has 2 divisors, whose sum is σ = 5518688. Its totient is φ = 5518686.

The previous prime is 5518673. The next prime is 5518817. The reversal of 5518687 is 7868155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5518687 - 2¹¹ = 5516639 is a prime.

5518687 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5518627) 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, 2759343 + 2759344.

It is an arithmetic number, because the mean of its divisors is an integer number (2759344).

Almost surely, 2^5518687 is an apocalyptic number.

5518687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5518687 is an equidigital number, since it uses as much as digits as its factorization.

5518687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 40.

The square root of 5518687 is about 2349.1885833198. The cubic root of 5518687 is about 176.7171047790.

The spelling of 5518687 in words is "five million, five hundred eighteen thousand, six hundred eighty-seven".