57053569697 has 2 divisors, whose sum is σ = 57053569698. Its totient is φ = 57053569696.

The previous prime is 57053569693. The next prime is 57053569757. The reversal of 57053569697 is 79696535075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36149036641 + 20904533056 = 190129^2 + 144584^2 .

It is a cyclic number.

It is not a de Polignac number, because 57053569697 - 2² = 57053569693 is a prime.

It is not a weakly prime, because it can be changed into another prime (57053569693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28526784848 + 28526784849.

It is an arithmetic number, because the mean of its divisors is an integer number (28526784849).

Almost surely, 2^57053569697 is an apocalyptic number.

It is an amenable number.

57053569697 is a deficient number, since it is larger than the sum of its proper divisors (1).

57053569697 is an equidigital number, since it uses as much as digits as its factorization.

57053569697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53581500, while the sum is 62.

The spelling of 57053569697 in words is "fifty-seven billion, fifty-three million, five hundred sixty-nine thousand, six hundred ninety-seven".