57521306896 has 45 divisors (see below), whose sum is σ = 118422476869. Its totient is φ = 27061175552.

The previous prime is 57521306833. The next prime is 57521306903. The reversal of 57521306896 is 69860312575.

The square root of 57521306896 is 239836.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 44783024400 + 12738282496 = 211620^2 + 112864^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16307085 + ... + 16310611.

Almost surely, 2^57521306896 is an apocalyptic number.

57521306896 is the 239836-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57521306896

57521306896 is an abundant number, since it is smaller than the sum of its proper divisors (60901169973).

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

57521306896 is an frugal number, since it uses more digits than its factorization.

57521306896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 57521306896 in words is "fifty-seven billion, five hundred twenty-one million, three hundred six thousand, eight hundred ninety-six".