56054644218 has 32 divisors (see below), whose sum is σ = 124712011200. Its totient is φ = 18662961168.

The previous prime is 56054644193. The next prime is 56054644229. The reversal of 56054644218 is 81244645065.

It is a happy number.

56054644218 is a `hidden beast` number, since 5 + 60 + 546 + 4 + 42 + 1 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562408 + ... + 654531.

It is an arithmetic number, because the mean of its divisors is an integer number (3897250350).

Almost surely, 2^56054644218 is an apocalyptic number.

56054644218 is an abundant number, since it is smaller than the sum of its proper divisors (68657366982).

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

56054644218 is a wasteful number, since it uses less digits than its factorization.

56054644218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217803 (or 1217797 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 56054644218 in words is "fifty-six billion, fifty-four million, six hundred forty-four thousand, two hundred eighteen".