5257555769 has 2 divisors, whose sum is σ = 5257555770. Its totient is φ = 5257555768.

The previous prime is 5257555739. The next prime is 5257555801. The reversal of 5257555769 is 9675557525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3490446400 + 1767109369 = 59080^2 + 42037^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257555769 - 2²⁸ = 4989120313 is a prime.

It is a super-2 number, since 2×5257555769² = 55283785328290362722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5257555739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628777884 + 2628777885.

It is an arithmetic number, because the mean of its divisors is an integer number (2628777885).

Almost surely, 2^5257555769 is an apocalyptic number.

It is an amenable number.

5257555769 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257555769 is an equidigital number, since it uses as much as digits as its factorization.

5257555769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16537500, while the sum is 56.

The square root of 5257555769 is about 72509.0047442385. The cubic root of 5257555769 is about 1738.8467022763.

The spelling of 5257555769 in words is "five billion, two hundred fifty-seven million, five hundred fifty-five thousand, seven hundred sixty-nine".