50447947 has 8 divisors (see below), whose sum is σ = 57427200. Its totient is φ = 43867560.

The previous prime is 50447941. The next prime is 50447953. The reversal of 50447947 is 74974405.

It is an interprime number because it is at equal distance from previous prime (50447941) and next prime (50447953).

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

It is not a de Polignac number, because 50447947 - 2³ = 50447939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50447941) 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, 99447 + ... + 99952.

It is an arithmetic number, because the mean of its divisors is an integer number (7178400).

Almost surely, 2^50447947 is an apocalyptic number.

50447947 is a deficient number, since it is larger than the sum of its proper divisors (6979253).

50447947 is a wasteful number, since it uses less digits than its factorization.

50447947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199433.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 50447947 is about 7102.6718212233. The cubic root of 50447947 is about 369.5000479137.

The spelling of 50447947 in words is "fifty million, four hundred forty-seven thousand, nine hundred forty-seven".