57850724321728 has 112 divisors (see below), whose sum is σ = 124342898359680. Its totient is φ = 26546017434624.

The previous prime is 57850724321723. The next prime is 57850724321737. The reversal of 57850724321728 is 82712342705875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57850724321723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828451551 + ... + 828521377.

It is an arithmetic number, because the mean of its divisors is an integer number (1110204449640).

Almost surely, 2^{57850724321728} 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 57850724321728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62171449179840).

57850724321728 is an abundant number, since it is smaller than the sum of its proper divisors (66492174037952).

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

57850724321728 is a wasteful number, since it uses less digits than its factorization.

57850724321728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75594 (or 75584 counting only the distinct ones).

The product of its (nonzero) digits is 52684800, while the sum is 61.

The spelling of 57850724321728 in words is "fifty-seven trillion, eight hundred fifty billion, seven hundred twenty-four million, three hundred twenty-one thousand, seven hundred twenty-eight".