53117406512 has 20 divisors (see below), whose sum is σ = 103060152240. Its totient is φ = 26521238208.

The previous prime is 53117406509. The next prime is 53117406527. The reversal of 53117406512 is 21560471135.

It is a happy number.

It is a super-2 number, since 2×53117406512² (a number of 22 digits) contains 22 as substring.

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, 2329868 + ... + 2352555.

It is an arithmetic number, because the mean of its divisors is an integer number (5153007612).

Almost surely, 2^53117406512 is an apocalyptic number.

It is an amenable number.

53117406512 is a deficient number, since it is larger than the sum of its proper divisors (49942745728).

53117406512 is a wasteful number, since it uses less digits than its factorization.

53117406512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683140 (or 4683134 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 53117406512 its reverse (21560471135), we get a palindrome (74677877647).

The spelling of 53117406512 in words is "fifty-three billion, one hundred seventeen million, four hundred six thousand, five hundred twelve".