50666595840 has 360 divisors, whose sum is σ = 204125819040. Its totient is φ = 11580678144.

The previous prime is 50666595829. The next prime is 50666595857. The reversal of 50666595840 is 4859566605.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1106521 + ... + 1151399.

It is an arithmetic number, because the mean of its divisors is an integer number (567016164).

Almost surely, 2^50666595840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50666595840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102062909520).

50666595840 is an abundant number, since it is smaller than the sum of its proper divisors (153459223200).

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

50666595840 is a wasteful number, since it uses less digits than its factorization.

50666595840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44922 (or 44896 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 50666595840 in words is "fifty billion, six hundred sixty-six million, five hundred ninety-five thousand, eight hundred forty".