57546943577 has 2 divisors, whose sum is σ = 57546943578. Its totient is φ = 57546943576.

The previous prime is 57546943499. The next prime is 57546943583. The reversal of 57546943577 is 77534964575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37395437641 + 20151505936 = 193379^2 + 141956^2 .

It is a cyclic number.

It is not a de Polignac number, because 57546943577 - 2²² = 57542749273 is a prime.

It is not a weakly prime, because it can be changed into another prime (57546943477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28773471788 + 28773471789.

It is an arithmetic number, because the mean of its divisors is an integer number (28773471789).

Almost surely, 2^57546943577 is an apocalyptic number.

It is an amenable number.

57546943577 is a deficient number, since it is larger than the sum of its proper divisors (1).

57546943577 is an equidigital number, since it uses as much as digits as its factorization.

57546943577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132000, while the sum is 62.

The spelling of 57546943577 in words is "fifty-seven billion, five hundred forty-six million, nine hundred forty-three thousand, five hundred seventy-seven".