56779500018 has 8 divisors (see below), whose sum is σ = 113559000048. Its totient is φ = 18926500004.

The previous prime is 56779500017. The next prime is 56779500023. The reversal of 56779500018 is 81000597765.

56779500018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

56779500018 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 56779500018.

It is not an unprimeable number, because it can be changed into a prime (56779500017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731624996 + ... + 4731625007.

It is an arithmetic number, because the mean of its divisors is an integer number (14194875006).

Almost surely, 2^56779500018 is an apocalyptic number.

56779500018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56779500018 is a wasteful number, since it uses less digits than its factorization.

56779500018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463250008.

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 56779500018 in words is "fifty-six billion, seven hundred seventy-nine million, five hundred thousand, eighteen".