5518775643 has 8 divisors (see below), whose sum is σ = 7431223056. Its totient is φ = 3642756000.

The previous prime is 5518775629. The next prime is 5518775683. The reversal of 5518775643 is 3465778155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5518775643 - 2⁵ = 5518775611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5518775683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9106588 + ... + 9107193.

It is an arithmetic number, because the mean of its divisors is an integer number (928902882).

Almost surely, 2^5518775643 is an apocalyptic number.

5518775643 is a deficient number, since it is larger than the sum of its proper divisors (1912447413).

5518775643 is a wasteful number, since it uses less digits than its factorization.

5518775643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18213885.

The product of its digits is 3528000, while the sum is 51.

The square root of 5518775643 is about 74288.4623814492. The cubic root of 5518775643 is about 1767.1805093708.

The spelling of 5518775643 in words is "five billion, five hundred eighteen million, seven hundred seventy-five thousand, six hundred forty-three".