57321331200000 has 1872 divisors, whose sum is σ = 244256368591872. Its totient is φ = 12673843200000.

The previous prime is 57321331199933. The next prime is 57321331200097. The reversal of 57321331200000 is 213312375.

57321331200000 is a `hidden beast` number, since 5 + 7 + 321 + 331 + 2 + 0 + 0 + 0 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 24998398854 + ... + 24998401146.

It is an arithmetic number, because the mean of its divisors is an integer number (130478829376).

Almost surely, 2^{57321331200000} is an apocalyptic number.

57321331200000 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 57321331200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122128184295936).

57321331200000 is an abundant number, since it is smaller than the sum of its proper divisors (186935037391872).

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

57321331200000 is an equidigital number, since it uses as much as digits as its factorization.

57321331200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2341 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

Adding to 57321331200000 its reverse (213312375), we get a palindrome (57321544512375).

The spelling of 57321331200000 in words is "fifty-seven trillion, three hundred twenty-one billion, three hundred thirty-one million, two hundred thousand".