57126588860 has 96 divisors (see below), whose sum is σ = 138711787200. Its totient is φ = 19531366400.

The previous prime is 57126588847. The next prime is 57126588863. The reversal of 57126588860 is 6888562175.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57126588796 and 57126588805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57126588863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3915980 + ... + 3930540.

It is an arithmetic number, because the mean of its divisors is an integer number (1444914450).

Almost surely, 2^57126588860 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 57126588860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69355893600).

57126588860 is an abundant number, since it is smaller than the sum of its proper divisors (81585198340).

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

57126588860 is a wasteful number, since it uses less digits than its factorization.

57126588860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15647 (or 15645 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 57126588860 in words is "fifty-seven billion, one hundred twenty-six million, five hundred eighty-eight thousand, eight hundred sixty".