50689398 has 8 divisors (see below), whose sum is σ = 101378808. Its totient is φ = 16896464.

The previous prime is 50689391. The next prime is 50689403. The reversal of 50689398 is 89398605.

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

50689398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50689391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4224111 + ... + 4224122.

It is an arithmetic number, because the mean of its divisors is an integer number (12672351).

Almost surely, 2^50689398 is an apocalyptic number.

50689398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50689398 is a wasteful number, since it uses less digits than its factorization.

50689398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448238.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 50689398 is about 7119.6487272899. The cubic root of 50689398 is about 370.0886030807.

The spelling of 50689398 in words is "fifty million, six hundred eighty-nine thousand, three hundred ninety-eight".