50515165 has 4 divisors (see below), whose sum is σ = 60618204. Its totient is φ = 40412128.

The previous prime is 50515163. The next prime is 50515183. The reversal of 50515165 is 56151505.

50515165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8602489 + 41912676 = 2933^2 + 6474^2 .

It is a cyclic number.

It is not a de Polignac number, because 50515165 - 2¹ = 50515163 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 (50515163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051512 + ... + 5051521.

It is an arithmetic number, because the mean of its divisors is an integer number (15154551).

Almost surely, 2^50515165 is an apocalyptic number.

It is an amenable number.

50515165 is a deficient number, since it is larger than the sum of its proper divisors (10103039).

50515165 is a wasteful number, since it uses less digits than its factorization.

50515165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10103038.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 50515165 is about 7107.4021273599. The cubic root of 50515165 is about 369.6640851884.

The spelling of 50515165 in words is "fifty million, five hundred fifteen thousand, one hundred sixty-five".