57520231680 has 288 divisors, whose sum is σ = 199264883328. Its totient is φ = 14083686400.

The previous prime is 57520231673. The next prime is 57520231693. The reversal of 57520231680 is 8613202575.

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, 2665735 + ... + 2687225.

It is an arithmetic number, because the mean of its divisors is an integer number (691891956).

Almost surely, 2^57520231680 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 57520231680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99632441664).

57520231680 is an abundant number, since it is smaller than the sum of its proper divisors (141744651648).

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

57520231680 is a wasteful number, since it uses less digits than its factorization.

57520231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21573 (or 21559 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 57520231680 in words is "fifty-seven billion, five hundred twenty million, two hundred thirty-one thousand, six hundred eighty".