53318786512 has 40 divisors (see below), whose sum is σ = 104362864992. Its totient is φ = 26386876800.

The previous prime is 53318786509. The next prime is 53318786533. The reversal of 53318786512 is 21568781335.

It is a super-2 number, since 2×53318786512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008687 + ... + 2035057.

Almost surely, 2^53318786512 is an apocalyptic number.

It is an amenable number.

53318786512 is a deficient number, since it is larger than the sum of its proper divisors (51044078480).

53318786512 is a wasteful number, since it uses less digits than its factorization.

53318786512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27667 (or 27661 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The spelling of 53318786512 in words is "fifty-three billion, three hundred eighteen million, seven hundred eighty-six thousand, five hundred twelve".