5518371 has 4 divisors (see below), whose sum is σ = 7357832. Its totient is φ = 3678912.

The previous prime is 5518351. The next prime is 5518397. The reversal of 5518371 is 1738155.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5518371 - 2⁵ = 5518339 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919726 + ... + 919731.

It is an arithmetic number, because the mean of its divisors is an integer number (1839458).

Almost surely, 2^5518371 is an apocalyptic number.

5518371 is a deficient number, since it is larger than the sum of its proper divisors (1839461).

5518371 is a wasteful number, since it uses less digits than its factorization.

5518371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839460.

The product of its digits is 4200, while the sum is 30.

The square root of 5518371 is about 2349.1213250916. The cubic root of 5518371 is about 176.7137317744.

The spelling of 5518371 in words is "five million, five hundred eighteen thousand, three hundred seventy-one".