52171886888928 has 72 divisors (see below), whose sum is σ = 149359533687000. Its totient is φ = 17273913318144.

The previous prime is 52171886888887. The next prime is 52171886888969. The reversal of 52171886888928 is 82988868817125.

52171886888928 is a `hidden beast` number, since 5 + 217 + 188 + 68 + 88 + 92 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (52171886888887) and next prime (52171886888969).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607850998 + ... + 607936821.

It is an arithmetic number, because the mean of its divisors is an integer number (2074437967875).

Almost surely, 2^{52171886888928} is an apocalyptic number.

It is an amenable number.

52171886888928 is an abundant number, since it is smaller than the sum of its proper divisors (97187646798072).

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

52171886888928 is a wasteful number, since it uses less digits than its factorization.

52171886888928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215787984 (or 1215787973 counting only the distinct ones).

The product of its digits is 1981808640, while the sum is 81.

The spelling of 52171886888928 in words is "fifty-two trillion, one hundred seventy-one billion, eight hundred eighty-six million, eight hundred eighty-eight thousand, nine hundred twenty-eight".