53117135 has 4 divisors (see below), whose sum is σ = 63740568. Its totient is φ = 42493704.

The previous prime is 53117111. The next prime is 53117161. The reversal of 53117135 is 53171135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53117135 - 2⁸ = 53116879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5311709 + ... + 5311718.

It is an arithmetic number, because the mean of its divisors is an integer number (15935142).

Almost surely, 2^53117135 is an apocalyptic number.

53117135 is a deficient number, since it is larger than the sum of its proper divisors (10623433).

53117135 is a wasteful number, since it uses less digits than its factorization.

53117135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623432.

The product of its digits is 1575, while the sum is 26.

The square root of 53117135 is about 7288.1503140372. The cubic root of 53117135 is about 375.9050966721.

The spelling of 53117135 in words is "fifty-three million, one hundred seventeen thousand, one hundred thirty-five".