50145173568 has 168 divisors, whose sum is σ = 164923012800. Its totient is φ = 14269824000.

The previous prime is 50145173537. The next prime is 50145173587. The reversal of 50145173568 is 86537154105.

50145173568 is a `hidden beast` number, since 5 + 0 + 14 + 5 + 1 + 73 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 987258 + ... + 1036806.

It is an arithmetic number, because the mean of its divisors is an integer number (981684600).

Almost surely, 2^50145173568 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 50145173568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82461506400).

50145173568 is an abundant number, since it is smaller than the sum of its proper divisors (114777839232).

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

50145173568 is a wasteful number, since it uses less digits than its factorization.

50145173568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49825 (or 49812 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 50145173568 in words is "fifty billion, one hundred forty-five million, one hundred seventy-three thousand, five hundred sixty-eight".