50855167440 has 1440 divisors, whose sum is σ = 236545038720. Its totient is φ = 10011133440.

The previous prime is 50855167397. The next prime is 50855167471. The reversal of 50855167440 is 4476155805.

50855167440 is a `hidden beast` number, since 50 + 8 + 551 + 6 + 7 + 4 + 40 = 666.

50855167440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2676587751 + ... + 2676587769.

It is an arithmetic number, because the mean of its divisors is an integer number (164267388).

Almost surely, 2^50855167440 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 50855167440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118272519360).

50855167440 is an abundant number, since it is smaller than the sum of its proper divisors (185689871280).

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

50855167440 is a wasteful number, since it uses less digits than its factorization.

50855167440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 50855167440 in words is "fifty billion, eight hundred fifty-five million, one hundred sixty-seven thousand, four hundred forty".