53118117 has 24 divisors (see below), whose sum is σ = 83420064. Its totient is φ = 32374944.

The previous prime is 53118103. The next prime is 53118119. The reversal of 53118117 is 71181135.

53118117 is a `hidden beast` number, since 531 + 18 + 117 = 666.

It is not a de Polignac number, because 53118117 - 2⁴ = 53118101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53118119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10398 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (3475836).

Almost surely, 2^53118117 is an apocalyptic number.

It is an amenable number.

53118117 is a deficient number, since it is larger than the sum of its proper divisors (30301947).

53118117 is a wasteful number, since it uses less digits than its factorization.

53118117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4366 counting only the distinct ones).

The product of its digits is 840, while the sum is 27.

The square root of 53118117 is about 7288.2176833572. The cubic root of 53118117 is about 375.9074131659.

It can be divided in two parts, 53118 and 117, that added together give a palindrome (53235).

The spelling of 53118117 in words is "fifty-three million, one hundred eighteen thousand, one hundred seventeen".