53335513 has 16 divisors (see below), whose sum is σ = 66738816. Its totient is φ = 41408640.

The previous prime is 53335501. The next prime is 53335517. The reversal of 53335513 is 31553335.

It is not a de Polignac number, because 53335513 - 2⁵ = 53335481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53335517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22995 + ... + 25207.

It is an arithmetic number, because the mean of its divisors is an integer number (4171176).

Almost surely, 2^53335513 is an apocalyptic number.

It is an amenable number.

53335513 is a deficient number, since it is larger than the sum of its proper divisors (13403303).

53335513 is a wasteful number, since it uses less digits than its factorization.

53335513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

The product of its digits is 10125, while the sum is 28.

The square root of 53335513 is about 7303.1166634527. The cubic root of 53335513 is about 376.4195393447.

Adding to 53335513 its reverse (31553335), we get a palindrome (84888848).

It can be divided in two parts, 533 and 35513, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 53335513 in words is "fifty-three million, three hundred thirty-five thousand, five hundred thirteen".