5257297775 has 24 divisors (see below), whose sum is σ = 6718257504. Its totient is φ = 4078553600.

The previous prime is 5257297769. The next prime is 5257297783. The reversal of 5257297775 is 5777927525.

It is not a de Polignac number, because 5257297775 - 2²⁰ = 5256249199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5257297775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155819 + ... + 186531.

It is an arithmetic number, because the mean of its divisors is an integer number (279927396).

Almost surely, 2^5257297775 is an apocalyptic number.

5257297775 is a deficient number, since it is larger than the sum of its proper divisors (1460959729).

5257297775 is a wasteful number, since it uses less digits than its factorization.

5257297775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30931 (or 30926 counting only the distinct ones).

The product of its digits is 10804500, while the sum is 56.

The square root of 5257297775 is about 72507.2256744112. The cubic root of 5257297775 is about 1738.8182594425.

The spelling of 5257297775 in words is "five billion, two hundred fifty-seven million, two hundred ninety-seven thousand, seven hundred seventy-five".