57655281898667 has 2 divisors, whose sum is σ = 57655281898668. Its totient is φ = 57655281898666.

The previous prime is 57655281898649. The next prime is 57655281898691. The reversal of 57655281898667 is 76689818255675.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57655281898667 - 2²⁰ = 57655280850091 is a prime.

It is not a weakly prime, because it can be changed into another prime (57655281898367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28827640949333 + 28827640949334.

It is an arithmetic number, because the mean of its divisors is an integer number (28827640949334).

Almost surely, 2^{57655281898667} is an apocalyptic number.

57655281898667 is a deficient number, since it is larger than the sum of its proper divisors (1).

57655281898667 is an equidigital number, since it uses as much as digits as its factorization.

57655281898667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768000, while the sum is 83.

The spelling of 57655281898667 in words is "fifty-seven trillion, six hundred fifty-five billion, two hundred eighty-one million, eight hundred ninety-eight thousand, six hundred sixty-seven".