5255128585 has 64 divisors (see below), whose sum is σ = 7802265600. Its totient is φ = 3318112512.

The previous prime is 5255128583. The next prime is 5255128591. The reversal of 5255128585 is 5858215525.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5255128585 - 2¹ = 5255128583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5255128583) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3519099 + ... + 3520591.

It is an arithmetic number, because the mean of its divisors is an integer number (121910400).

Almost surely, 2^5255128585 is an apocalyptic number.

It is an amenable number.

5255128585 is a deficient number, since it is larger than the sum of its proper divisors (2547137015).

5255128585 is a wasteful number, since it uses less digits than its factorization.

5255128585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its digits is 800000, while the sum is 46.

The square root of 5255128585 is about 72492.2656908997. The cubic root of 5255128585 is about 1738.5790778820.

The spelling of 5255128585 in words is "five billion, two hundred fifty-five million, one hundred twenty-eight thousand, five hundred eighty-five".