50825989 has 4 divisors (see below), whose sum is σ = 51541920. Its totient is φ = 50110060.

The previous prime is 50825959. The next prime is 50826001. The reversal of 50825989 is 98952805.

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 50825989 - 2⁷ = 50825861 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 (50825909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357859 + ... + 358000.

It is an arithmetic number, because the mean of its divisors is an integer number (12885480).

Almost surely, 2^50825989 is an apocalyptic number.

It is an amenable number.

50825989 is a deficient number, since it is larger than the sum of its proper divisors (715931).

50825989 is an equidigital number, since it uses as much as digits as its factorization.

50825989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715930.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 50825989 is about 7129.2348116751. The cubic root of 50825989 is about 370.4207266701.

The spelling of 50825989 in words is "fifty million, eight hundred twenty-five thousand, nine hundred eighty-nine".