5257422568 has 16 divisors (see below), whose sum is σ = 9922952160. Its totient is φ = 2611302000.

The previous prime is 5257422559. The next prime is 5257422571. The reversal of 5257422568 is 8652247525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174878 + ... + 2177293.

It is an arithmetic number, because the mean of its divisors is an integer number (620184510).

Almost surely, 2^5257422568 is an apocalyptic number.

It is an amenable number.

5257422568 is a deficient number, since it is larger than the sum of its proper divisors (4665529592).

5257422568 is a wasteful number, since it uses less digits than its factorization.

5257422568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352328 (or 4352324 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 46.

The square root of 5257422568 is about 72508.0862249170. The cubic root of 5257422568 is about 1738.8320175009.

The spelling of 5257422568 in words is "five billion, two hundred fifty-seven million, four hundred twenty-two thousand, five hundred sixty-eight".