50396791 has 4 divisors (see below), whose sum is σ = 51087232. Its totient is φ = 49706352.

The previous prime is 50396783. The next prime is 50396821. The reversal of 50396791 is 19769305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50396791 - 2³ = 50396783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50396741) 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, 345111 + ... + 345256.

It is an arithmetic number, because the mean of its divisors is an integer number (12771808).

Almost surely, 2^50396791 is an apocalyptic number.

50396791 is a deficient number, since it is larger than the sum of its proper divisors (690441).

50396791 is an equidigital number, since it uses as much as digits as its factorization.

50396791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690440.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 50396791 is about 7099.0697277883. The cubic root of 50396791 is about 369.3751103075.

The spelling of 50396791 in words is "fifty million, three hundred ninety-six thousand, seven hundred ninety-one".