5518671 has 16 divisors (see below), whose sum is σ = 7672800. Its totient is φ = 3523968.

The previous prime is 5518633. The next prime is 5518673. The reversal of 5518671 is 1768155.

It is not a de Polignac number, because 5518671 - 2⁷ = 5518543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19785 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (479550).

Almost surely, 2^5518671 is an apocalyptic number.

5518671 is a deficient number, since it is larger than the sum of its proper divisors (2154129).

5518671 is a wasteful number, since it uses less digits than its factorization.

5518671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its digits is 8400, while the sum is 33.

The square root of 5518671 is about 2349.1851778862. The cubic root of 5518671 is about 176.7169339971.

The spelling of 5518671 in words is "five million, five hundred eighteen thousand, six hundred seventy-one".