53117711 has 8 divisors (see below), whose sum is σ = 56118000. Its totient is φ = 50137920.

The previous prime is 53117693. The next prime is 53117761. The reversal of 53117711 is 11771135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53117711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53117761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (7014750).

Almost surely, 2^53117711 is an apocalyptic number.

53117711 is a deficient number, since it is larger than the sum of its proper divisors (3000289).

53117711 is a wasteful number, since it uses less digits than its factorization.

53117711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249.

The product of its digits is 735, while the sum is 26.

The square root of 53117711 is about 7288.1898301293. The cubic root of 53117711 is about 375.9064554336.

Adding to 53117711 its reverse (11771135), we get a palindrome (64888846).

The spelling of 53117711 in words is "fifty-three million, one hundred seventeen thousand, seven hundred eleven".