53566639338336 has 192 divisors, whose sum is σ = 152640611040960. Its totient is φ = 16381839933440.

The previous prime is 53566639338299. The next prime is 53566639338349. The reversal of 53566639338336 is 63383393666535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81103000 + ... + 81760808.

It is an arithmetic number, because the mean of its divisors is an integer number (795003182505).

Almost surely, 2^{53566639338336} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53566639338336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76320305520480).

53566639338336 is an abundant number, since it is smaller than the sum of its proper divisors (99073971702624).

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

53566639338336 is a wasteful number, since it uses less digits than its factorization.

53566639338336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659097 (or 659089 counting only the distinct ones).

The product of its digits is 1700611200, while the sum is 69.

The spelling of 53566639338336 in words is "fifty-three trillion, five hundred sixty-six billion, six hundred thirty-nine million, three hundred thirty-eight thousand, three hundred thirty-six".