5255555555 has 4 divisors (see below), whose sum is σ = 6306666672. Its totient is φ = 4204444440.

The previous prime is 5255555507. The next prime is 5255555579. The reversal of 5255555555 is 5555555525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5255555555 - 2¹⁰ = 5255554531 is a prime.

It is a Duffinian number.

5255555555 is a modest number, since divided by 55555 gives 52555 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525555551 + ... + 525555560.

It is an arithmetic number, because the mean of its divisors is an integer number (1576666668).

Almost surely, 2^5255555555 is an apocalyptic number.

5255555555 is a deficient number, since it is larger than the sum of its proper divisors (1051111117).

5255555555 is a wasteful number, since it uses less digits than its factorization.

5255555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051111116.

The product of its digits is 3906250, while the sum is 47.

The square root of 5255555555 is about 72495.2105659401. The cubic root of 5255555555 is about 1738.6261621092.

The spelling of 5255555555 in words is "five billion, two hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-five".