57145523536 has 10 divisors (see below), whose sum is σ = 110719451882. Its totient is φ = 28572761760.

The previous prime is 57145523467. The next prime is 57145523549. The reversal of 57145523536 is 63532554175.

57145523536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56861263936 + 284259600 = 238456^2 + 16860^2 .

It is a super-2 number, since 2×57145523536² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785797595 + ... + 1785797626.

Almost surely, 2^57145523536 is an apocalyptic number.

It is an amenable number.

57145523536 is a deficient number, since it is larger than the sum of its proper divisors (53573928346).

57145523536 is a wasteful number, since it uses less digits than its factorization.

57145523536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571595229 (or 3571595223 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 46.

The spelling of 57145523536 in words is "fifty-seven billion, one hundred forty-five million, five hundred twenty-three thousand, five hundred thirty-six".