56518673018 has 8 divisors (see below), whose sum is σ = 85034137440. Its totient is φ = 28173960540.

The previous prime is 56518672963. The next prime is 56518673027. The reversal of 56518673018 is 81037681565.

It is a happy number.

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

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, 42687158 + ... + 42688481.

It is an arithmetic number, because the mean of its divisors is an integer number (10629267180).

Almost surely, 2^56518673018 is an apocalyptic number.

56518673018 is a deficient number, since it is larger than the sum of its proper divisors (28515464422).

56518673018 is a wasteful number, since it uses less digits than its factorization.

56518673018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85375972.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 56518673018 in words is "fifty-six billion, five hundred eighteen million, six hundred seventy-three thousand, eighteen".