5517081844 has 24 divisors (see below), whose sum is σ = 9694399680. Its totient is φ = 2747274816.

The previous prime is 5517081833. The next prime is 5517081863. The reversal of 5517081844 is 4481807155.

It is a self number, because there is not a number n which added to its sum of digits gives 5517081844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357864 + ... + 1361920.

It is an arithmetic number, because the mean of its divisors is an integer number (403933320).

Almost surely, 2^5517081844 is an apocalyptic number.

It is an amenable number.

5517081844 is a deficient number, since it is larger than the sum of its proper divisors (4177317836).

5517081844 is a wasteful number, since it uses less digits than its factorization.

5517081844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 5517081844 is about 74277.0613581340. The cubic root of 5517081844 is about 1766.9996990455. Note that the first 3 decimals are identical.

Adding to 5517081844 its reverse (4481807155), we get a palindrome (9998888999).

The spelling of 5517081844 in words is "five billion, five hundred seventeen million, eighty-one thousand, eight hundred forty-four".