5518457893 has 6 divisors (see below), whose sum is σ = 5975608434. Its totient is φ = 5093960976.

The previous prime is 5518457851. The next prime is 5518457899. The reversal of 5518457893 is 3987548155.

5518457893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 95902849 + 5422555044 = 9793^2 + 73638^2 .

It is not a de Polignac number, because 5518457893 - 2⁹ = 5518457381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518457899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16326630 + ... + 16326967.

It is an arithmetic number, because the mean of its divisors is an integer number (995934739).

Almost surely, 2^5518457893 is an apocalyptic number.

It is an amenable number.

5518457893 is a deficient number, since it is larger than the sum of its proper divisors (457150541).

5518457893 is a wasteful number, since it uses less digits than its factorization.

5518457893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32653623 (or 32653610 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 55.

The square root of 5518457893 is about 74286.3237278572. The cubic root of 5518457893 is about 1767.1465928876.

The spelling of 5518457893 in words is "five billion, five hundred eighteen million, four hundred fifty-seven thousand, eight hundred ninety-three".