57726583328 has 18 divisors (see below), whose sum is σ = 113651886789. Its totient is φ = 28862612096.

The previous prime is 57726583297. The next prime is 57726583339. The reversal of 57726583328 is 82338562775.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 50421804304 + 7304779024 = 224548^2 + 85468^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=169892.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1337900 + ... + 1380372.

Almost surely, 2^57726583328 is an apocalyptic number.

It is an amenable number.

57726583328 is a deficient number, since it is larger than the sum of its proper divisors (55925303461).

57726583328 is an frugal number, since it uses more digits than its factorization.

57726583328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84956 (or 42475 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 56.

The spelling of 57726583328 in words is "fifty-seven billion, seven hundred twenty-six million, five hundred eighty-three thousand, three hundred twenty-eight".