50651014878 has 64 divisors (see below), whose sum is σ = 115795630080. Its totient is φ = 16404189984.

The previous prime is 50651014861. The next prime is 50651014889. The reversal of 50651014878 is 87841015605.

50651014878 is a `hidden beast` number, since 5 + 0 + 65 + 101 + 487 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 208875 + ... + 380697.

It is an arithmetic number, because the mean of its divisors is an integer number (1809306720).

Almost surely, 2^50651014878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50651014878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57897815040).

50651014878 is an abundant number, since it is smaller than the sum of its proper divisors (65144615202).

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

50651014878 is a wasteful number, since it uses less digits than its factorization.

50651014878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171990 (or 171984 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 50651014878 in words is "fifty billion, six hundred fifty-one million, fourteen thousand, eight hundred seventy-eight".