5518564942 has 8 divisors (see below), whose sum is σ = 9030379032. Its totient is φ = 2508438600.

The previous prime is 5518564937. The next prime is 5518564963. The reversal of 5518564942 is 2494658155.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125421909 + ... + 125421952.

It is an arithmetic number, because the mean of its divisors is an integer number (1128797379).

Almost surely, 2^5518564942 is an apocalyptic number.

5518564942 is a deficient number, since it is larger than the sum of its proper divisors (3511814090).

5518564942 is a wasteful number, since it uses less digits than its factorization.

5518564942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250843874.

The product of its digits is 1728000, while the sum is 49.

The square root of 5518564942 is about 74287.0442405673. The cubic root of 5518564942 is about 1767.1580193921.

The spelling of 5518564942 in words is "five billion, five hundred eighteen million, five hundred sixty-four thousand, nine hundred forty-two".