5513818 has 4 divisors (see below), whose sum is σ = 8270730. Its totient is φ = 2756908.

The previous prime is 5513779. The next prime is 5513821. The reversal of 5513818 is 8183155.

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

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 1605289 = 1977^2 + 1267^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5513818.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378453 + ... + 1378456.

Almost surely, 2^5513818 is an apocalyptic number.

5513818 is a deficient number, since it is larger than the sum of its proper divisors (2756912).

5513818 is a wasteful number, since it uses less digits than its factorization.

5513818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756911.

The product of its digits is 4800, while the sum is 31.

The square root of 5513818 is about 2348.1520393705. The cubic root of 5513818 is about 176.6651184548.

The spelling of 5513818 in words is "five million, five hundred thirteen thousand, eight hundred eighteen".