57856490912 has 96 divisors (see below), whose sum is σ = 127837906560. Its totient is φ = 25550853120.

The previous prime is 57856490903. The next prime is 57856490929. The reversal of 57856490912 is 21909465875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1906514 + ... + 1936622.

It is an arithmetic number, because the mean of its divisors is an integer number (1331644860).

Almost surely, 2^57856490912 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 57856490912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63918953280).

57856490912 is an abundant number, since it is smaller than the sum of its proper divisors (69981415648).

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

57856490912 is a wasteful number, since it uses less digits than its factorization.

57856490912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30286 (or 30278 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 57856490912 in words is "fifty-seven billion, eight hundred fifty-six million, four hundred ninety thousand, nine hundred twelve".