57252770689 has 2 divisors, whose sum is σ = 57252770690. Its totient is φ = 57252770688.

The previous prime is 57252770657. The next prime is 57252770713. The reversal of 57252770689 is 98607725275.

It is a happy number.

57252770689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44429473089 + 12823297600 = 210783^2 + 113240^2 .

It is a cyclic number.

It is not a de Polignac number, because 57252770689 - 2⁵ = 57252770657 is a prime.

It is not a weakly prime, because it can be changed into another prime (57252710689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28626385344 + 28626385345.

It is an arithmetic number, because the mean of its divisors is an integer number (28626385345).

Almost surely, 2^57252770689 is an apocalyptic number.

It is an amenable number.

57252770689 is a deficient number, since it is larger than the sum of its proper divisors (1).

57252770689 is an equidigital number, since it uses as much as digits as its factorization.

57252770689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14817600, while the sum is 58.

The spelling of 57252770689 in words is "fifty-seven billion, two hundred fifty-two million, seven hundred seventy thousand, six hundred eighty-nine".