50397799 has 4 divisors (see below), whose sum is σ = 50457736. Its totient is φ = 50337864.

The previous prime is 50397769. The next prime is 50397803. The reversal of 50397799 is 99779305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99779305 = 5 ⋅19955861.

It is a cyclic number.

It is not a de Polignac number, because 50397799 - 2⁹ = 50397287 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 (50397719) 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, 28689 + ... + 30394.

It is an arithmetic number, because the mean of its divisors is an integer number (12614434).

Almost surely, 2^50397799 is an apocalyptic number.

50397799 is a deficient number, since it is larger than the sum of its proper divisors (59937).

50397799 is an equidigital number, since it uses as much as digits as its factorization.

50397799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59936.

The product of its (nonzero) digits is 535815, while the sum is 49.

The square root of 50397799 is about 7099.1407226509. The cubic root of 50397799 is about 369.3775729486.

The spelling of 50397799 in words is "fifty million, three hundred ninety-seven thousand, seven hundred ninety-nine".