53135712 has 72 divisors (see below), whose sum is σ = 172697616. Its totient is φ = 15181056.

The previous prime is 53135711. The next prime is 53135717. The reversal of 53135712 is 21753135.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53135711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11163 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (2398578).

Almost surely, 2^53135712 is an apocalyptic number.

It is an amenable number.

53135712 is an abundant number, since it is smaller than the sum of its proper divisors (119561904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53135712 is a wasteful number, since it uses less digits than its factorization.

53135712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26380 (or 26369 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 53135712 is about 7289.4246686553. The cubic root of 53135712 is about 375.9489141399.

Adding to 53135712 its reverse (21753135), we get a palindrome (74888847).

It can be divided in two parts, 5313 and 5712, that added together give a square (11025 = 105²).

The spelling of 53135712 in words is "fifty-three million, one hundred thirty-five thousand, seven hundred twelve".