5255173539 has 64 divisors (see below), whose sum is σ = 10217472000. Its totient is φ = 2586258720.

The previous prime is 5255173523. The next prime is 5255173543. The reversal of 5255173539 is 9353715525.

5255173539 is a `hidden beast` number, since 52 + 55 + 17 + 3 + 539 = 666.

It is not a de Polignac number, because 5255173539 - 2⁴ = 5255173523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5255173494 and 5255173503.

It is not an unprimeable number, because it can be changed into a prime (5255173579) 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, 27019 + ... + 106020.

It is an arithmetic number, because the mean of its divisors is an integer number (159648000).

Almost surely, 2^5255173539 is an apocalyptic number.

5255173539 is a deficient number, since it is larger than the sum of its proper divisors (4962298461).

5255173539 is a wasteful number, since it uses less digits than its factorization.

5255173539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133085 (or 133079 counting only the distinct ones).

The product of its digits is 708750, while the sum is 45.

The square root of 5255173539 is about 72492.5757509002. The cubic root of 5255173539 is about 1738.5840353161.

The spelling of 5255173539 in words is "five billion, two hundred fifty-five million, one hundred seventy-three thousand, five hundred thirty-nine".