50784480721 has 16 divisors (see below), whose sum is σ = 56184920064. Its totient is φ = 45598175424.

The previous prime is 50784480707. The next prime is 50784480743. The reversal of 50784480721 is 12708448705.

It is a cyclic number.

It is not a de Polignac number, because 50784480721 - 2⁵ = 50784480689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50784480751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972296 + ... + 1997878.

It is an arithmetic number, because the mean of its divisors is an integer number (3511557504).

Almost surely, 2^50784480721 is an apocalyptic number.

It is an amenable number.

50784480721 is a deficient number, since it is larger than the sum of its proper divisors (5400439343).

50784480721 is a wasteful number, since it uses less digits than its factorization.

50784480721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29760.

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 50784480721 in words is "fifty billion, seven hundred eighty-four million, four hundred eighty thousand, seven hundred twenty-one".