5257422566 has 16 divisors (see below), whose sum is σ = 8624739600. Its totient is φ = 2383714080.

The previous prime is 5257422559. The next prime is 5257422571. The reversal of 5257422566 is 6652247525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292241 + ... + 309708.

It is an arithmetic number, because the mean of its divisors is an integer number (539046225).

Almost surely, 2^5257422566 is an apocalyptic number.

5257422566 is a deficient number, since it is larger than the sum of its proper divisors (3367317034).

5257422566 is a wasteful number, since it uses less digits than its factorization.

5257422566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602359.

The product of its digits is 1008000, while the sum is 44.

The square root of 5257422566 is about 72508.0862111254. The cubic root of 5257422566 is about 1738.8320172804.

The spelling of 5257422566 in words is "five billion, two hundred fifty-seven million, four hundred twenty-two thousand, five hundred sixty-six".