53170353 has 12 divisors (see below), whose sum is σ = 77854660. Its totient is φ = 34960896.

The previous prime is 53170349. The next prime is 53170361. The reversal of 53170353 is 35307135.

It can be written as a sum of positive squares in 2 ways, for example, as 34012224 + 19158129 = 5832^2 + 4377^2 .

It is not a de Polignac number, because 53170353 - 2² = 53170349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53170343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39808 + ... + 41121.

Almost surely, 2^53170353 is an apocalyptic number.

It is an amenable number.

53170353 is a deficient number, since it is larger than the sum of its proper divisors (24684307).

53170353 is a wasteful number, since it uses less digits than its factorization.

53170353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81008 (or 81005 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 53170353 is about 7291.8003949642. The cubic root of 53170353 is about 376.0305944058.

Adding to 53170353 its reverse (35307135), we get a palindrome (88477488).

The spelling of 53170353 in words is "fifty-three million, one hundred seventy thousand, three hundred fifty-three".