52620321600000 has 2400 divisors, whose sum is σ = 244796160292992. Its totient is φ = 10932019200000.

The previous prime is 52620321599977. The next prime is 52620321600019. The reversal of 52620321600000 is 612302625.

52620321600000 is a `hidden beast` number, since 5 + 2 + 6 + 20 + 32 + 1 + 600 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2400).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 9979197364 + ... + 9979202636.

Almost surely, 2^{52620321600000} is an apocalyptic number.

52620321600000 is a gapful number since it is divisible by the number (50) 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 52620321600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122398080146496).

52620321600000 is an abundant number, since it is smaller than the sum of its proper divisors (192175838692992).

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

52620321600000 is an frugal number, since it uses more digits than its factorization.

52620321600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346 (or 5301 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 52620321600000 its reverse (612302625), we get a palindrome (52620933902625).

The spelling of 52620321600000 in words is "fifty-two trillion, six hundred twenty billion, three hundred twenty-one million, six hundred thousand".