57656551680023 has 2 divisors, whose sum is σ = 57656551680024. Its totient is φ = 57656551680022.

The previous prime is 57656551679971. The next prime is 57656551680029. The reversal of 57656551680023 is 32008615565675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57656551680023 - 2²⁰ = 57656550631447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57656551680029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28828275840011 + 28828275840012.

It is an arithmetic number, because the mean of its divisors is an integer number (28828275840012).

Almost surely, 2^{57656551680023} is an apocalyptic number.

57656551680023 is a deficient number, since it is larger than the sum of its proper divisors (1).

57656551680023 is an equidigital number, since it uses as much as digits as its factorization.

57656551680023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360000, while the sum is 59.

The spelling of 57656551680023 in words is "fifty-seven trillion, six hundred fifty-six billion, five hundred fifty-one million, six hundred eighty thousand, twenty-three".