50641778784 has 48 divisors (see below), whose sum is σ = 133949471040. Its totient is φ = 16751729280.

The previous prime is 50641778731. The next prime is 50641778791. The reversal of 50641778784 is 48787714605.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2000854 + ... + 2026005.

It is an arithmetic number, because the mean of its divisors is an integer number (2790613980).

Almost surely, 2^50641778784 is an apocalyptic number.

It is an amenable number.

50641778784 is an abundant number, since it is smaller than the sum of its proper divisors (83307692256).

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

50641778784 is a wasteful number, since it uses less digits than its factorization.

50641778784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027003 (or 4026995 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 50641778784 in words is "fifty billion, six hundred forty-one million, seven hundred seventy-eight thousand, seven hundred eighty-four".