52171703672 has 32 divisors (see below), whose sum is σ = 106730276400. Its totient is φ = 23710982400.

The previous prime is 52171703543. The next prime is 52171703677. The reversal of 52171703672 is 27630717125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52171703677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628772 + ... + 706892.

Almost surely, 2^52171703672 is an apocalyptic number.

It is an amenable number.

52171703672 is an abundant number, since it is smaller than the sum of its proper divisors (54558572728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52171703672 is a wasteful number, since it uses less digits than its factorization.

52171703672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85727 (or 85723 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 52171703672 in words is "fifty-two billion, one hundred seventy-one million, seven hundred three thousand, six hundred seventy-two".