52666243055712 has 1440 divisors, whose sum is σ = 195346134466560. Its totient is φ = 13786624051200.

The previous prime is 52666243055653. The next prime is 52666243055743. The reversal of 52666243055712 is 21755034266625.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 6429765537 + ... + 6429773727.

It is an arithmetic number, because the mean of its divisors is an integer number (135657037824).

Almost surely, 2^{52666243055712} is an apocalyptic number.

52666243055712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52666243055712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97673067233280).

52666243055712 is an abundant number, since it is smaller than the sum of its proper divisors (142679891410848).

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

52666243055712 is a wasteful number, since it uses less digits than its factorization.

52666243055712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8322 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 52666243055712 in words is "fifty-two trillion, six hundred sixty-six billion, two hundred forty-three million, fifty-five thousand, seven hundred twelve".