50779191 has 8 divisors (see below), whose sum is σ = 71269120. Its totient is φ = 32071032.

The previous prime is 50779171. The next prime is 50779199. The reversal of 50779191 is 19197705.

50779191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50779191 - 2⁵ = 50779159 is a prime.

It is a super-2 number, since 2×50779191² = 5157052477228962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50779199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445375 + ... + 445488.

It is an arithmetic number, because the mean of its divisors is an integer number (8908640).

Almost surely, 2^50779191 is an apocalyptic number.

50779191 is a deficient number, since it is larger than the sum of its proper divisors (20489929).

50779191 is a wasteful number, since it uses less digits than its factorization.

50779191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890885.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 50779191 is about 7125.9519364082. The cubic root of 50779191 is about 370.3070035361.

The spelling of 50779191 in words is "fifty million, seven hundred seventy-nine thousand, one hundred ninety-one".