53415163 has 4 divisors (see below), whose sum is σ = 53944128. Its totient is φ = 52886200.

The previous prime is 53415133. The next prime is 53415191. The reversal of 53415163 is 36151435.

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

It is a cyclic number.

It is not a de Polignac number, because 53415163 - 2⁹ = 53414651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53415113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264331 + ... + 264532.

It is an arithmetic number, because the mean of its divisors is an integer number (13486032).

Almost surely, 2^53415163 is an apocalyptic number.

53415163 is a deficient number, since it is larger than the sum of its proper divisors (528965).

53415163 is a wasteful number, since it uses less digits than its factorization.

53415163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528964.

The product of its digits is 5400, while the sum is 28.

The square root of 53415163 is about 7308.5677803520. The cubic root of 53415163 is about 376.6068248404.

Adding to 53415163 its reverse (36151435), we get a palindrome (89566598).

The spelling of 53415163 in words is "fifty-three million, four hundred fifteen thousand, one hundred sixty-three".