5518105 has 4 divisors (see below), whose sum is σ = 6621732. Its totient is φ = 4414480.

The previous prime is 5518099. The next prime is 5518109. The reversal of 5518105 is 5018155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5018155 = 5 ⋅1003631.

It can be written as a sum of positive squares in 2 ways, for example, as 2996361 + 2521744 = 1731^2 + 1588^2 .

It is not a de Polignac number, because 5518105 - 2⁷ = 5517977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5518105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518109) 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, 551806 + ... + 551815.

It is an arithmetic number, because the mean of its divisors is an integer number (1655433).

Almost surely, 2^5518105 is an apocalyptic number.

It is an amenable number.

5518105 is a deficient number, since it is larger than the sum of its proper divisors (1103627).

5518105 is a wasteful number, since it uses less digits than its factorization.

5518105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103626.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 5518105 is about 2349.0647074953. The cubic root of 5518105 is about 176.7108923731.

The spelling of 5518105 in words is "five million, five hundred eighteen thousand, one hundred five".