50236989 has 32 divisors (see below), whose sum is σ = 78019200. Its totient is φ = 28416000.

The previous prime is 50236987. The next prime is 50236993. The reversal of 50236989 is 98963205.

It is not a de Polignac number, because 50236989 - 2¹ = 50236987 is a prime.

It is a super-2 number, since 2×50236989² = 5047510127572242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50236989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50236987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83289 + ... + 83889.

It is an arithmetic number, because the mean of its divisors is an integer number (2438100).

Almost surely, 2^50236989 is an apocalyptic number.

It is an amenable number.

50236989 is a deficient number, since it is larger than the sum of its proper divisors (27782211).

50236989 is a wasteful number, since it uses less digits than its factorization.

50236989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 50236989 is about 7087.8056547848. The cubic root of 50236989 is about 368.9842826422.

The spelling of 50236989 in words is "fifty million, two hundred thirty-six thousand, nine hundred eighty-nine".