53163511 has 8 divisors (see below), whose sum is σ = 56829024. Its totient is φ = 49610880.

The previous prime is 53163493. The next prime is 53163541. The reversal of 53163511 is 11536135.

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

It is a cyclic number.

It is not a de Polignac number, because 53163511 - 2⁵ = 53163479 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 (53163541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27246 + ... + 29131.

It is an arithmetic number, because the mean of its divisors is an integer number (7103628).

Almost surely, 2^53163511 is an apocalyptic number.

53163511 is a deficient number, since it is larger than the sum of its proper divisors (3665513).

53163511 is a wasteful number, since it uses less digits than its factorization.

53163511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56441.

The product of its digits is 1350, while the sum is 25.

The square root of 53163511 is about 7291.3312227604. The cubic root of 53163511 is about 376.0144644164.

Adding to 53163511 its reverse (11536135), we get a palindrome (64699646).

The spelling of 53163511 in words is "fifty-three million, one hundred sixty-three thousand, five hundred eleven".