56002534818 has 64 divisors (see below), whose sum is σ = 121190266368. Its totient is φ = 17185187840.

The previous prime is 56002534813. The next prime is 56002534831. The reversal of 56002534818 is 81843520065.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56002534818.

It is not an unprimeable number, because it can be changed into a prime (56002534813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12562846 + ... + 12567302.

It is an arithmetic number, because the mean of its divisors is an integer number (1893597912).

Almost surely, 2^56002534818 is an apocalyptic number.

56002534818 is an abundant number, since it is smaller than the sum of its proper divisors (65187731550).

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

56002534818 is a wasteful number, since it uses less digits than its factorization.

56002534818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 56002534818 in words is "fifty-six billion, two million, five hundred thirty-four thousand, eight hundred eighteen".