50217947 has 8 divisors (see below), whose sum is σ = 56432544. Its totient is φ = 44339328.

The previous prime is 50217943. The next prime is 50217961. The reversal of 50217947 is 74971205.

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 50217947 - 2² = 50217943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50217943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83678 + ... + 84275.

It is an arithmetic number, because the mean of its divisors is an integer number (7054068).

Almost surely, 2^50217947 is an apocalyptic number.

50217947 is a deficient number, since it is larger than the sum of its proper divisors (6214597).

50217947 is a wasteful number, since it uses less digits than its factorization.

50217947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167989.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 50217947 is about 7086.4622344298. The cubic root of 50217947 is about 368.9376563961.

The spelling of 50217947 in words is "fifty million, two hundred seventeen thousand, nine hundred forty-seven".