50272165 has 4 divisors (see below), whose sum is σ = 60326604. Its totient is φ = 40217728.

The previous prime is 50272147. The next prime is 50272169. The reversal of 50272165 is 56127205.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7579009 + 42693156 = 2753^2 + 6534^2 .

It is a cyclic number.

It is not a de Polignac number, because 50272165 - 2⁵ = 50272133 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 (50272169) 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 3 ways as a sum of consecutive naturals, for example, 5027212 + ... + 5027221.

It is an arithmetic number, because the mean of its divisors is an integer number (15081651).

Almost surely, 2^50272165 is an apocalyptic number.

It is an amenable number.

50272165 is a deficient number, since it is larger than the sum of its proper divisors (10054439).

50272165 is a wasteful number, since it uses less digits than its factorization.

50272165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054438.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 50272165 is about 7090.2866655728. The cubic root of 50272165 is about 369.0703836285.

The spelling of 50272165 in words is "fifty million, two hundred seventy-two thousand, one hundred sixty-five".