5518446 has 16 divisors (see below), whose sum is σ = 11111808. Its totient is φ = 1827000.

The previous prime is 5518433. The next prime is 5518453. The reversal of 5518446 is 6448155.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (694488).

Almost surely, 2^5518446 is an apocalyptic number.

5518446 is an abundant number, since it is smaller than the sum of its proper divisors (5593362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5518446 is a wasteful number, since it uses less digits than its factorization.

5518446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247.

The product of its digits is 19200, while the sum is 33.

The square root of 5518446 is about 2349.1372884529. The cubic root of 5518446 is about 176.7145323409.

The spelling of 5518446 in words is "five million, five hundred eighteen thousand, four hundred forty-six".