50989330 has 32 divisors (see below), whose sum is σ = 107732736. Its totient is φ = 17008704.

The previous prime is 50989319. The next prime is 50989343. The reversal of 50989330 is 3398905.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 50989330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7254 + ... + 12433.

It is an arithmetic number, because the mean of its divisors is an integer number (3366648).

Almost surely, 2^50989330 is an apocalyptic number.

50989330 is an abundant number, since it is smaller than the sum of its proper divisors (56743406).

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

50989330 is a wasteful number, since it uses less digits than its factorization.

50989330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19738.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 50989330 is about 7140.6813400403. The cubic root of 50989330 is about 370.8171130669.

The spelling of 50989330 in words is "fifty million, nine hundred eighty-nine thousand, three hundred thirty".