57321824860 has 12 divisors (see below), whose sum is σ = 120375832248. Its totient is φ = 22928729936.

The previous prime is 57321824851. The next prime is 57321824881. The reversal of 57321824860 is 6842812375.

It is a self number, because there is not a number n which added to its sum of digits gives 57321824860.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433045602 + ... + 1433045641.

It is an arithmetic number, because the mean of its divisors is an integer number (10031319354).

Almost surely, 2^57321824860 is an apocalyptic number.

It is an amenable number.

57321824860 is an abundant number, since it is smaller than the sum of its proper divisors (63054007388).

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

57321824860 is a wasteful number, since it uses less digits than its factorization.

57321824860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866091252 (or 2866091250 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 57321824860 in words is "fifty-seven billion, three hundred twenty-one million, eight hundred twenty-four thousand, eight hundred sixty".