56348643518 has 8 divisors (see below), whose sum is σ = 87249512640. Its totient is φ = 27265472640.

The previous prime is 56348643503. The next prime is 56348643521. The reversal of 56348643518 is 81534684365.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56348643518.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454424483 + ... + 454424606.

It is an arithmetic number, because the mean of its divisors is an integer number (10906189080).

Almost surely, 2^56348643518 is an apocalyptic number.

56348643518 is a deficient number, since it is larger than the sum of its proper divisors (30900869122).

56348643518 is a wasteful number, since it uses less digits than its factorization.

56348643518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908849122.

The product of its digits is 8294400, while the sum is 53.

The spelling of 56348643518 in words is "fifty-six billion, three hundred forty-eight million, six hundred forty-three thousand, five hundred eighteen".