50396779 has 4 divisors (see below), whose sum is σ = 50537520. Its totient is φ = 50256040.

The previous prime is 50396777. The next prime is 50396783. The reversal of 50396779 is 97769305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97769305 = 5 ⋅19553861.

It is a cyclic number.

It is not a de Polignac number, because 50396779 - 2¹ = 50396777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50396777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69832 + ... + 70549.

It is an arithmetic number, because the mean of its divisors is an integer number (12634380).

Almost surely, 2^50396779 is an apocalyptic number.

50396779 is a deficient number, since it is larger than the sum of its proper divisors (140741).

50396779 is a wasteful number, since it uses less digits than its factorization.

50396779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140740.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 50396779 is about 7099.0688826071. The cubic root of 50396779 is about 369.3750809902.

The spelling of 50396779 in words is "fifty million, three hundred ninety-six thousand, seven hundred seventy-nine".