53515353 has 12 divisors (see below), whose sum is σ = 73902608. Its totient is φ = 34445040.

The previous prime is 53515339. The next prime is 53515369. The reversal of 53515353 is 35351535.

It is not a de Polignac number, because 53515353 - 2⁸ = 53515097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53515353.

It is not an unprimeable number, because it can be changed into a prime (53515313) 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, 8083 + ... + 13128.

Almost surely, 2^53515353 is an apocalyptic number.

It is an amenable number.

53515353 is a deficient number, since it is larger than the sum of its proper divisors (20387255).

53515353 is a wasteful number, since it uses less digits than its factorization.

53515353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21272 (or 21243 counting only the distinct ones).

The product of its digits is 16875, while the sum is 30.

The square root of 53515353 is about 7315.4188533535. The cubic root of 53515353 is about 376.8421429845.

Adding to 53515353 its reverse (35351535), we get a palindrome (88866888).

The spelling of 53515353 in words is "fifty-three million, five hundred fifteen thousand, three hundred fifty-three".