5518047 has 16 divisors (see below), whose sum is σ = 7839072. Its totient is φ = 3440640.

The previous prime is 5518043. The next prime is 5518099. The reversal of 5518047 is 7408155.

It is not a de Polignac number, because 5518047 - 2² = 5518043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518043) 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 15 ways as a sum of consecutive naturals, for example, 12897 + ... + 13317.

It is an arithmetic number, because the mean of its divisors is an integer number (489942).

Almost surely, 2^5518047 is an apocalyptic number.

5518047 is a deficient number, since it is larger than the sum of its proper divisors (2321025).

5518047 is a wasteful number, since it uses less digits than its factorization.

5518047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 5518047 is about 2349.0523621239. The cubic root of 5518047 is about 176.7102732435.

The spelling of 5518047 in words is "five million, five hundred eighteen thousand, forty-seven".