50221671 has 8 divisors (see below), whose sum is σ = 66996720. Its totient is φ = 33463872.

The previous prime is 50221609. The next prime is 50221681. The reversal of 50221671 is 17612205.

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

It is not a de Polignac number, because 50221671 - 2⁹ = 50221159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6025 + ... + 11693.

It is an arithmetic number, because the mean of its divisors is an integer number (8374590).

Almost surely, 2^50221671 is an apocalyptic number.

50221671 is a deficient number, since it is larger than the sum of its proper divisors (16775049).

50221671 is a wasteful number, since it uses less digits than its factorization.

50221671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 50221671 is about 7086.7249840812. The cubic root of 50221671 is about 368.9467759105.

Adding to 50221671 its reverse (17612205), we get a palindrome (67833876).

The spelling of 50221671 in words is "fifty million, two hundred twenty-one thousand, six hundred seventy-one".