57643362256 has 10 divisors (see below), whose sum is σ = 111684014402. Its totient is φ = 28821681120.

The previous prime is 57643362251. The next prime is 57643362281. The reversal of 57643362256 is 65226334675.

It can be written as a sum of positive squares in only one way, i.e., 54529722256 + 3113640000 = 233516^2 + 55800^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57643362251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801355055 + ... + 1801355086.

Almost surely, 2^57643362256 is an apocalyptic number.

It is an amenable number.

57643362256 is a deficient number, since it is larger than the sum of its proper divisors (54040652146).

57643362256 is a wasteful number, since it uses less digits than its factorization.

57643362256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602710149 (or 3602710143 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 49.

The spelling of 57643362256 in words is "fifty-seven billion, six hundred forty-three million, three hundred sixty-two thousand, two hundred fifty-six".