50638489 has 8 divisors (see below), whose sum is σ = 55300032. Its totient is φ = 45986640.

The previous prime is 50638481. The next prime is 50638501. The reversal of 50638489 is 98483605.

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 50638489 - 2³ = 50638481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50638481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12567 + ... + 16099.

It is an arithmetic number, because the mean of its divisors is an integer number (6912504).

Almost surely, 2^50638489 is an apocalyptic number.

It is an amenable number.

50638489 is a deficient number, since it is larger than the sum of its proper divisors (4661543).

50638489 is a wasteful number, since it uses less digits than its factorization.

50638489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 50638489 is about 7116.0725825416. The cubic root of 50638489 is about 369.9646642661.

The spelling of 50638489 in words is "fifty million, six hundred thirty-eight thousand, four hundred eighty-nine".