50160021 has 4 divisors (see below), whose sum is σ = 66880032. Its totient is φ = 33440012.

The previous prime is 50160017. The next prime is 50160029. The reversal of 50160021 is 12006105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50160021 - 2² = 50160017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50160029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8360001 + ... + 8360006.

It is an arithmetic number, because the mean of its divisors is an integer number (16720008).

Almost surely, 2^50160021 is an apocalyptic number.

It is an amenable number.

50160021 is a deficient number, since it is larger than the sum of its proper divisors (16720011).

50160021 is a wasteful number, since it uses less digits than its factorization.

50160021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16720010.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 50160021 is about 7082.3739664042. The cubic root of 50160021 is about 368.7957462733.

Adding to 50160021 its reverse (12006105), we get a palindrome (62166126).

The spelling of 50160021 in words is "fifty million, one hundred sixty thousand, twenty-one".