53171718004 has 6 divisors (see below), whose sum is σ = 93050506514. Its totient is φ = 26585859000.

The previous prime is 53171717957. The next prime is 53171718013. The reversal of 53171718004 is 40081717135.

It can be written as a sum of positive squares in only one way, i.e., 52541808400 + 629909604 = 229220^2 + 25098^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6646464747 + ... + 6646464754.

Almost surely, 2^53171718004 is an apocalyptic number.

It is an amenable number.

53171718004 is a deficient number, since it is larger than the sum of its proper divisors (39878788510).

53171718004 is a wasteful number, since it uses less digits than its factorization.

53171718004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13292929505 (or 13292929503 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 53171718004 in words is "fifty-three billion, one hundred seventy-one million, seven hundred eighteen thousand, four".