57124706768 has 20 divisors (see below), whose sum is σ = 112767406308. Its totient is φ = 28023440640.

The previous prime is 57124706761. The next prime is 57124706777. The reversal of 57124706768 is 86760742175.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44381006224 + 12743700544 = 210668^2 + 112888^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57124706761) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33681173 + ... + 33682868.

Almost surely, 2^57124706768 is an apocalyptic number.

It is an amenable number.

57124706768 is a deficient number, since it is larger than the sum of its proper divisors (55642699540).

57124706768 is a wasteful number, since it uses less digits than its factorization.

57124706768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67364102 (or 67364096 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 57124706768 in words is "fifty-seven billion, one hundred twenty-four million, seven hundred six thousand, seven hundred sixty-eight".