53205353 has 4 divisors (see below), whose sum is σ = 53243280. Its totient is φ = 53167428.

The previous prime is 53205349. The next prime is 53205379. The reversal of 53205353 is 35350235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35350235 = 5 ⋅7070047.

It is a cyclic number.

It is not a de Polignac number, because 53205353 - 2² = 53205349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53205323) 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, 16775 + ... + 19692.

It is an arithmetic number, because the mean of its divisors is an integer number (13310820).

Almost surely, 2^53205353 is an apocalyptic number.

It is an amenable number.

53205353 is a deficient number, since it is larger than the sum of its proper divisors (37927).

53205353 is a wasteful number, since it uses less digits than its factorization.

53205353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37926.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 53205353 is about 7294.1999561295. The cubic root of 53205353 is about 376.1130851380.

Adding to 53205353 its reverse (35350235), we get a palindrome (88555588).

The spelling of 53205353 in words is "fifty-three million, two hundred five thousand, three hundred fifty-three".