50009971 has 8 divisors (see below), whose sum is σ = 57765744. Its totient is φ = 42789120.

The previous prime is 50009969. The next prime is 50010001. The reversal of 50009971 is 17990005.

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

It is not a de Polignac number, because 50009971 - 2¹ = 50009969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50009941) 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, 133530 + ... + 133903.

It is an arithmetic number, because the mean of its divisors is an integer number (7220718).

Almost surely, 2^50009971 is an apocalyptic number.

50009971 is a deficient number, since it is larger than the sum of its proper divisors (7755773).

50009971 is a wasteful number, since it uses less digits than its factorization.

50009971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267461.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 50009971 is about 7071.7728328899. The cubic root of 50009971 is about 368.4276372217.

Adding to 50009971 its reverse (17990005), we get a palindrome (67999976).

The spelling of 50009971 in words is "fifty million, nine thousand, nine hundred seventy-one".