57353453520 has 640 divisors, whose sum is σ = 213826314240. Its totient is φ = 12558336000.

The previous prime is 57353453477. The next prime is 57353453527. The reversal of 57353453520 is 2535435375.

57353453520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57353453527) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 130645461 + ... + 130645899.

It is an arithmetic number, because the mean of its divisors is an integer number (334103616).

Almost surely, 2^57353453520 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 57353453520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106913157120).

57353453520 is an abundant number, since it is smaller than the sum of its proper divisors (156472860720).

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

57353453520 is a wasteful number, since it uses less digits than its factorization.

57353453520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 42.

Adding to 57353453520 its reverse (2535435375), we get a palindrome (59888888895).

The spelling of 57353453520 in words is "fifty-seven billion, three hundred fifty-three million, four hundred fifty-three thousand, five hundred twenty".