57056257548752 has 160 divisors (see below), whose sum is σ = 139563241380864. Its totient is φ = 21949522790400.

The previous prime is 57056257548739. The next prime is 57056257548803. The reversal of 57056257548752 is 25784575265075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182575352 + ... + 182887592.

Almost surely, 2^{57056257548752} 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 57056257548752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69781620690432).

57056257548752 is an abundant number, since it is smaller than the sum of its proper divisors (82506983832112).

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

57056257548752 is a wasteful number, since it uses less digits than its factorization.

57056257548752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314137 (or 314131 counting only the distinct ones).

The product of its (nonzero) digits is 823200000, while the sum is 68.

The spelling of 57056257548752 in words is "fifty-seven trillion, fifty-six billion, two hundred fifty-seven million, five hundred forty-eight thousand, seven hundred fifty-two".