53112911 has 4 divisors (see below), whose sum is σ = 55422192. Its totient is φ = 50803632.

The previous prime is 53112907. The next prime is 53112929. The reversal of 53112911 is 11921135.

53112911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53112911 - 2² = 53112907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2309257 = 53112911 / (5 + 3 + 1 + 1 + 2 + 9 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154606 + ... + 1154651.

It is an arithmetic number, because the mean of its divisors is an integer number (13855548).

Almost surely, 2^53112911 is an apocalyptic number.

53112911 is a deficient number, since it is larger than the sum of its proper divisors (2309281).

53112911 is a wasteful number, since it uses less digits than its factorization.

53112911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309280.

The product of its digits is 270, while the sum is 23.

The square root of 53112911 is about 7287.8605228146. The cubic root of 53112911 is about 375.8951321210.

The spelling of 53112911 in words is "fifty-three million, one hundred twelve thousand, nine hundred eleven".