57086393280 has 448 divisors, whose sum is σ = 218367498240. Its totient is φ = 12358434816.

The previous prime is 57086393269. The next prime is 57086393321. The reversal of 57086393280 is 8239368075.

57086393280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10325877 + ... + 10331403.

Almost surely, 2^57086393280 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 57086393280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109183749120).

57086393280 is an abundant number, since it is smaller than the sum of its proper divisors (161281104960).

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

57086393280 is a wasteful number, since it uses less digits than its factorization.

57086393280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 57086393280 in words is "fifty-seven billion, eighty-six million, three hundred ninety-three thousand, two hundred eighty".