5518256 has 20 divisors (see below), whose sum is σ = 10753032. Its totient is φ = 2743296.

The previous prime is 5518241. The next prime is 5518259. The reversal of 5518256 is 6528155.

It is a super-2 number, since 2×5518256² = 60902298563072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5518259) 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, 2195 + ... + 3981.

Almost surely, 2^5518256 is an apocalyptic number.

It is an amenable number.

5518256 is a deficient number, since it is larger than the sum of its proper divisors (5234776).

5518256 is a wasteful number, since it uses less digits than its factorization.

5518256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988 (or 1982 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 5518256 is about 2349.0968477268. The cubic root of 5518256 is about 176.7125042249.

The spelling of 5518256 in words is "five million, five hundred eighteen thousand, two hundred fifty-six".