50821963 has 4 divisors (see below), whose sum is σ = 51163200. Its totient is φ = 50480728.

The previous prime is 50821921. The next prime is 50821997. The reversal of 50821963 is 36912805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36912805 = 5 ⋅7382561.

It is a cyclic number.

It is not a de Polignac number, because 50821963 - 2⁹ = 50821451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50821913) 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, 170395 + ... + 170692.

It is an arithmetic number, because the mean of its divisors is an integer number (12790800).

Almost surely, 2^50821963 is an apocalyptic number.

50821963 is a deficient number, since it is larger than the sum of its proper divisors (341237).

50821963 is a wasteful number, since it uses less digits than its factorization.

50821963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341236.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 50821963 is about 7128.9524475900. The cubic root of 50821963 is about 370.4109458915.

The spelling of 50821963 in words is "fifty million, eight hundred twenty-one thousand, nine hundred sixty-three".