50785462728 has 768 divisors, whose sum is σ = 193481164800. Its totient is φ = 12009254400.

The previous prime is 50785462711. The next prime is 50785462757. The reversal of 50785462728 is 82726458705.

50785462728 is a `hidden beast` number, since 5 + 0 + 7 + 8 + 5 + 4 + 627 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 311567175 + ... + 311567337.

It is an arithmetic number, because the mean of its divisors is an integer number (251928600).

Almost surely, 2^50785462728 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 50785462728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96740582400).

50785462728 is an abundant number, since it is smaller than the sum of its proper divisors (142695702072).

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

50785462728 is a wasteful number, since it uses less digits than its factorization.

50785462728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 50785462728 in words is "fifty billion, seven hundred eighty-five million, four hundred sixty-two thousand, seven hundred twenty-eight".