53135611 has 4 divisors (see below), whose sum is σ = 53162872. Its totient is φ = 53108352.

The previous prime is 53135603. The next prime is 53135629. The reversal of 53135611 is 11653135.

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 53135611 - 2³ = 53135603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53135111) 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, 10461 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (13290718).

Almost surely, 2^53135611 is an apocalyptic number.

53135611 is a deficient number, since it is larger than the sum of its proper divisors (27261).

53135611 is a wasteful number, since it uses less digits than its factorization.

53135611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27260.

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

The square root of 53135611 is about 7289.4177408076. The cubic root of 53135611 is about 375.9486759393.

Adding to 53135611 its reverse (11653135), we get a palindrome (64788746).

The spelling of 53135611 in words is "fifty-three million, one hundred thirty-five thousand, six hundred eleven".