57545665344 has 42 divisors (see below), whose sum is σ = 164944261170. Its totient is φ = 19181888256.

The previous prime is 57545665337. The next prime is 57545665369. The reversal of 57545665344 is 44356654575.

57545665344 is a `hidden beast` number, since 5 + 7 + 5 + 45 + 66 + 534 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57163071744 + 382593600 = 239088^2 + 19560^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49952259 + ... + 49953410.

Almost surely, 2^57545665344 is an apocalyptic number.

It is an amenable number.

57545665344 is an abundant number, since it is smaller than the sum of its proper divisors (107398595826).

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

57545665344 is a wasteful number, since it uses less digits than its factorization.

57545665344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99905687 (or 99905674 counting only the distinct ones).

The product of its digits is 30240000, while the sum is 54.

The spelling of 57545665344 in words is "fifty-seven billion, five hundred forty-five million, six hundred sixty-five thousand, three hundred forty-four".