53117313 has 4 divisors (see below), whose sum is σ = 70823088. Its totient is φ = 35411540.

The previous prime is 53117257. The next prime is 53117347. The reversal of 53117313 is 31371135.

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.

It is a cyclic number.

It is not a de Polignac number, because 53117313 - 2¹² = 53113217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53118313) 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, 8852883 + ... + 8852888.

It is an arithmetic number, because the mean of its divisors is an integer number (17705772).

Almost surely, 2^53117313 is an apocalyptic number.

It is an amenable number.

53117313 is a deficient number, since it is larger than the sum of its proper divisors (17705775).

53117313 is a wasteful number, since it uses less digits than its factorization.

53117313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705774.

The product of its digits is 945, while the sum is 24.

The square root of 53117313 is about 7288.1625256302. The cubic root of 53117313 is about 375.9055165682.

Adding to 53117313 its reverse (31371135), we get a palindrome (84488448).

The spelling of 53117313 in words is "fifty-three million, one hundred seventeen thousand, three hundred thirteen".