50820993 has 8 divisors (see below), whose sum is σ = 75290400. Its totient is φ = 33880644.

The previous prime is 50820989. The next prime is 50821003. The reversal of 50820993 is 39902805.

50820993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50820993 - 2² = 50820989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50820793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941103 + ... + 941156.

It is an arithmetic number, because the mean of its divisors is an integer number (9411300).

Almost surely, 2^50820993 is an apocalyptic number.

It is an amenable number.

50820993 is a deficient number, since it is larger than the sum of its proper divisors (24469407).

50820993 is a wasteful number, since it uses less digits than its factorization.

50820993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882268 (or 1882262 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 50820993 is about 7128.8844148296. The cubic root of 50820993 is about 370.4085892929.

The spelling of 50820993 in words is "fifty million, eight hundred twenty thousand, nine hundred ninety-three".