50987089 has 8 divisors (see below), whose sum is σ = 53836640. Its totient is φ = 48154176.

The previous prime is 50987087. The next prime is 50987099. The reversal of 50987089 is 98078905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50987089 - 2¹ = 50987087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50987081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422 + ... + 10384.

It is an arithmetic number, because the mean of its divisors is an integer number (6729580).

Almost surely, 2^50987089 is an apocalyptic number.

It is an amenable number.

50987089 is a deficient number, since it is larger than the sum of its proper divisors (2849551).

50987089 is a wasteful number, since it uses less digits than its factorization.

50987089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 50987089 is about 7140.5244205170. The cubic root of 50987089 is about 370.8116804706.

The spelling of 50987089 in words is "fifty million, nine hundred eighty-seven thousand, eighty-nine".