50160221 has 4 divisors (see below), whose sum is σ = 50526492. Its totient is φ = 49793952.

The previous prime is 50160199. The next prime is 50160223. The reversal of 50160221 is 12206105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12206105 = 5 ⋅2441221.

It can be written as a sum of positive squares in 2 ways, for example, as 33235225 + 16924996 = 5765^2 + 4114^2 .

It is a cyclic number.

It is not a de Polignac number, because 50160221 - 2¹⁴ = 50143837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50160221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50160223) 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, 182930 + ... + 183203.

It is an arithmetic number, because the mean of its divisors is an integer number (12631623).

Almost surely, 2^50160221 is an apocalyptic number.

It is an amenable number.

50160221 is a deficient number, since it is larger than the sum of its proper divisors (366271).

50160221 is a wasteful number, since it uses less digits than its factorization.

50160221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366270.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 50160221 is about 7082.3880859495. The cubic root of 50160221 is about 368.7962364316.

Adding to 50160221 its reverse (12206105), we get a palindrome (62366326).

The spelling of 50160221 in words is "fifty million, one hundred sixty thousand, two hundred twenty-one".