50989239 has 24 divisors (see below), whose sum is σ = 89125920. Its totient is φ = 27422208.

The previous prime is 50989201. The next prime is 50989241. The reversal of 50989239 is 93298905.

Added to its reverse (93298905) it gives a square (144288144 = 12012²).

It is not a de Polignac number, because 50989239 - 2⁸ = 50988983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50989194 and 50989203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50989739) 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 23 ways as a sum of consecutive naturals, for example, 22734 + ... + 24875.

It is an arithmetic number, because the mean of its divisors is an integer number (3713580).

Almost surely, 2^50989239 is an apocalyptic number.

50989239 is a deficient number, since it is larger than the sum of its proper divisors (38136681).

50989239 is a wasteful number, since it uses less digits than its factorization.

50989239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47639 (or 47636 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 50989239 is about 7140.6749680965. The cubic root of 50989239 is about 370.8168924692.

Adding to 50989239 its reverse (93298905), we get a square (144288144 = 12012²).

The spelling of 50989239 in words is "fifty million, nine hundred eighty-nine thousand, two hundred thirty-nine".