50989479 has 8 divisors (see below), whose sum is σ = 69000960. Its totient is φ = 33485496.

The previous prime is 50989469. The next prime is 50989481. The reversal of 50989479 is 97498905.

It is a happy number.

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

It is not a de Polignac number, because 50989479 - 2⁵ = 50989447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50989469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126639 + ... + 127040.

It is an arithmetic number, because the mean of its divisors is an integer number (8625120).

Almost surely, 2^50989479 is an apocalyptic number.

50989479 is a deficient number, since it is larger than the sum of its proper divisors (18011481).

50989479 is a wasteful number, since it uses less digits than its factorization.

50989479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253749.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 50989479 is about 7140.6917732108. The cubic root of 50989479 is about 370.8174742646.

The spelling of 50989479 in words is "fifty million, nine hundred eighty-nine thousand, four hundred seventy-nine".