50020993 has 4 divisors (see below), whose sum is σ = 54568368. Its totient is φ = 45473620.

The previous prime is 50020981. The next prime is 50021033. The reversal of 50020993 is 39902005.

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.

It is a cyclic number.

It is not a de Polignac number, because 50020993 - 2⁵ = 50020961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50020913) 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, 2273671 + ... + 2273692.

It is an arithmetic number, because the mean of its divisors is an integer number (13642092).

Almost surely, 2^50020993 is an apocalyptic number.

It is an amenable number.

50020993 is a deficient number, since it is larger than the sum of its proper divisors (4547375).

50020993 is a wasteful number, since it uses less digits than its factorization.

50020993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547374.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 50020993 is about 7072.5520853508. The cubic root of 50020993 is about 368.4547018987.

Adding to 50020993 its reverse (39902005), we get a palindrome (89922998).

The spelling of 50020993 in words is "fifty million, twenty thousand, nine hundred ninety-three".