53195165 has 4 divisors (see below), whose sum is σ = 63834204. Its totient is φ = 42556128.

The previous prime is 53195141. The next prime is 53195189. The reversal of 53195165 is 56159135.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (53195141) and next prime (53195189).

It can be written as a sum of positive squares in 2 ways, for example, as 15507844 + 37687321 = 3938^2 + 6139^2 .

It is a cyclic number.

It is not a de Polignac number, because 53195165 - 2¹⁴ = 53178781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319512 + ... + 5319521.

It is an arithmetic number, because the mean of its divisors is an integer number (15958551).

Almost surely, 2^53195165 is an apocalyptic number.

It is an amenable number.

53195165 is a deficient number, since it is larger than the sum of its proper divisors (10639039).

53195165 is a wasteful number, since it uses less digits than its factorization.

53195165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639038.

The product of its digits is 20250, while the sum is 35.

The square root of 53195165 is about 7293.5015596077. The cubic root of 53195165 is about 376.0890769978.

The spelling of 53195165 in words is "fifty-three million, one hundred ninety-five thousand, one hundred sixty-five".