53163111 has 4 divisors (see below), whose sum is σ = 70884152. Its totient is φ = 35442072.

The previous prime is 53163107. The next prime is 53163113. The reversal of 53163111 is 11136135.

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

It is not a de Polignac number, because 53163111 - 2² = 53163107 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 (53163113) 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, 8860516 + ... + 8860521.

It is an arithmetic number, because the mean of its divisors is an integer number (17721038).

Almost surely, 2^53163111 is an apocalyptic number.

53163111 is a deficient number, since it is larger than the sum of its proper divisors (17721041).

53163111 is a wasteful number, since it uses less digits than its factorization.

53163111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17721040.

The product of its digits is 270, while the sum is 21.

The square root of 53163111 is about 7291.3037928755. The cubic root of 53163111 is about 376.0135213751.

Adding to 53163111 its reverse (11136135), we get a palindrome (64299246).

The spelling of 53163111 in words is "fifty-three million, one hundred sixty-three thousand, one hundred eleven".