50249795778 has 96 divisors (see below), whose sum is σ = 134048992896. Its totient is φ = 13247794944.

The previous prime is 50249795749. The next prime is 50249795789. The reversal of 50249795778 is 87759794205.

50249795778 is a `hidden beast` number, since 50 + 2 + 4 + 9 + 7 + 9 + 577 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 47 ways as a sum of consecutive naturals, for example, 7297125 + ... + 7304007.

It is an arithmetic number, because the mean of its divisors is an integer number (1396343676).

Almost surely, 2^50249795778 is an apocalyptic number.

50249795778 is an abundant number, since it is smaller than the sum of its proper divisors (83799197118).

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

50249795778 is a wasteful number, since it uses less digits than its factorization.

50249795778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11368 (or 11365 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 50249795778 in words is "fifty billion, two hundred forty-nine million, seven hundred ninety-five thousand, seven hundred seventy-eight".