50849789 has 4 divisors (see below), whose sum is σ = 52603260. Its totient is φ = 49096320.

The previous prime is 50849767. The next prime is 50849791. The reversal of 50849789 is 98794805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9504889 + 41344900 = 3083^2 + 6430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50849789 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 (50849089) 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, 876692 + ... + 876749.

It is an arithmetic number, because the mean of its divisors is an integer number (13150815).

Almost surely, 2^50849789 is an apocalyptic number.

It is an amenable number.

50849789 is a deficient number, since it is larger than the sum of its proper divisors (1753471).

50849789 is a wasteful number, since it uses less digits than its factorization.

50849789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753470.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 50849789 is about 7130.9037996596. The cubic root of 50849789 is about 370.4785359244.

The spelling of 50849789 in words is "fifty million, eight hundred forty-nine thousand, seven hundred eighty-nine".