50440271 has 4 divisors (see below), whose sum is σ = 57646032. Its totient is φ = 43234512.

The previous prime is 50440261. The next prime is 50440277. The reversal of 50440271 is 17204405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50440271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50440277) 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 3 ways as a sum of consecutive naturals, for example, 3602870 + ... + 3602883.

It is an arithmetic number, because the mean of its divisors is an integer number (14411508).

Almost surely, 2^50440271 is an apocalyptic number.

50440271 is a deficient number, since it is larger than the sum of its proper divisors (7205761).

50440271 is an equidigital number, since it uses as much as digits as its factorization.

50440271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205760.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 50440271 is about 7102.1314406310. The cubic root of 50440271 is about 369.4813063104.

Adding to 50440271 its reverse (17204405), we get a palindrome (67644676).

The spelling of 50440271 in words is "fifty million, four hundred forty thousand, two hundred seventy-one".