50717778051 has 16 divisors (see below), whose sum is σ = 67827363840. Its totient is φ = 33710094240.

The previous prime is 50717778047. The next prime is 50717778103. The reversal of 50717778051 is 15087771705.

It is not a de Polignac number, because 50717778051 - 2² = 50717778047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50717778151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3461521 + ... + 3476141.

It is an arithmetic number, because the mean of its divisors is an integer number (4239210240).

Almost surely, 2^50717778051 is an apocalyptic number.

50717778051 is a deficient number, since it is larger than the sum of its proper divisors (17109585789).

50717778051 is a wasteful number, since it uses less digits than its factorization.

50717778051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026.

The product of its (nonzero) digits is 480200, while the sum is 48.

The spelling of 50717778051 in words is "fifty billion, seven hundred seventeen million, seven hundred seventy-eight thousand, fifty-one".