53869217517 has 48 divisors (see below), whose sum is σ = 83318751360. Its totient is φ = 33419774976.

The previous prime is 53869217459. The next prime is 53869217527. The reversal of 53869217517 is 71571296835.

53869217517 is a `hidden beast` number, since 5 + 38 + 6 + 92 + 1 + 7 + 517 = 666.

It is not a de Polignac number, because 53869217517 - 2⁸ = 53869217261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53869217527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9312208 + ... + 9317990.

It is an arithmetic number, because the mean of its divisors is an integer number (1735807320).

Almost surely, 2^53869217517 is an apocalyptic number.

It is an amenable number.

53869217517 is a deficient number, since it is larger than the sum of its proper divisors (29449533843).

53869217517 is a wasteful number, since it uses less digits than its factorization.

53869217517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482 (or 6479 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The spelling of 53869217517 in words is "fifty-three billion, eight hundred sixty-nine million, two hundred seventeen thousand, five hundred seventeen".