50818642056 has 288 divisors, whose sum is σ = 177819343200. Its totient is φ = 13402247040.

The previous prime is 50818642037. The next prime is 50818642057. The reversal of 50818642056 is 65024681805.

50818642056 is a `hidden beast` number, since 508 + 18 + 64 + 20 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (50818642057) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1774491 + ... + 1802901.

It is an arithmetic number, because the mean of its divisors is an integer number (617428275).

Almost surely, 2^50818642056 is an apocalyptic number.

50818642056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50818642056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88909671600).

50818642056 is an abundant number, since it is smaller than the sum of its proper divisors (127000701144).

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

50818642056 is a wasteful number, since it uses less digits than its factorization.

50818642056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28466 (or 28436 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 50818642056 in words is "fifty billion, eight hundred eighteen million, six hundred forty-two thousand, fifty-six".