53141665 has 4 divisors (see below), whose sum is σ = 63770004. Its totient is φ = 42513328.

The previous prime is 53141629. The next prime is 53141681. The reversal of 53141665 is 56614135.

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 9884736 + 43256929 = 3144^2 + 6577^2 .

It is a cyclic number.

It is not a de Polignac number, because 53141665 - 2¹¹ = 53139617 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5314162 + ... + 5314171.

It is an arithmetic number, because the mean of its divisors is an integer number (15942501).

Almost surely, 2^53141665 is an apocalyptic number.

It is an amenable number.

53141665 is a deficient number, since it is larger than the sum of its proper divisors (10628339).

53141665 is a wasteful number, since it uses less digits than its factorization.

53141665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628338.

The product of its digits is 10800, while the sum is 31.

The square root of 53141665 is about 7289.8329884847. The cubic root of 53141665 is about 375.9629532875.

The spelling of 53141665 in words is "fifty-three million, one hundred forty-one thousand, six hundred sixty-five".