53117165 has 8 divisors (see below), whose sum is σ = 64093848. Its totient is φ = 42258240.

The previous prime is 53117161. The next prime is 53117173. The reversal of 53117165 is 56171135.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 53042089 = 274^2 + 7283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53117165 - 2² = 53117161 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 (53117161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28442 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (8011731).

Almost surely, 2^53117165 is an apocalyptic number.

It is an amenable number.

53117165 is a deficient number, since it is larger than the sum of its proper divisors (10976683).

53117165 is a wasteful number, since it uses less digits than its factorization.

53117165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58879.

The product of its digits is 3150, while the sum is 29.

The square root of 53117165 is about 7288.1523721723. The cubic root of 53117165 is about 375.9051674412.

The spelling of 53117165 in words is "fifty-three million, one hundred seventeen thousand, one hundred sixty-five".