50808893 has 4 divisors (see below), whose sum is σ = 51120768. Its totient is φ = 50497020.

The previous prime is 50808887. The next prime is 50808997. The reversal of 50808893 is 39880805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39880805 = 5 ⋅7976161.

It is a cyclic number.

It is not a de Polignac number, because 50808893 - 2⁶ = 50808829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50808893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50808883) 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, 155693 + ... + 156018.

It is an arithmetic number, because the mean of its divisors is an integer number (12780192).

Almost surely, 2^50808893 is an apocalyptic number.

It is an amenable number.

50808893 is a deficient number, since it is larger than the sum of its proper divisors (311875).

50808893 is a wasteful number, since it uses less digits than its factorization.

50808893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311874.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 50808893 is about 7128.0357041754. The cubic root of 50808893 is about 370.3791900269.

The spelling of 50808893 in words is "fifty million, eight hundred eight thousand, eight hundred ninety-three".