53117715 has 24 divisors (see below), whose sum is σ = 98865360. Its totient is φ = 24282048.

The previous prime is 53117693. The next prime is 53117761. The reversal of 53117715 is 51771135.

It is not a de Polignac number, because 53117715 - 2⁶ = 53117651 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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, 35400 + ... + 36869.

It is an arithmetic number, because the mean of its divisors is an integer number (4119390).

Almost surely, 2^53117715 is an apocalyptic number.

53117715 is a deficient number, since it is larger than the sum of its proper divisors (45747645).

53117715 is a wasteful number, since it uses less digits than its factorization.

53117715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72291 (or 72284 counting only the distinct ones).

The product of its digits is 3675, while the sum is 30.

The square root of 53117715 is about 7288.1901045458. The cubic root of 53117715 is about 375.9064648694.

The spelling of 53117715 in words is "fifty-three million, one hundred seventeen thousand, seven hundred fifteen".