5255278018 has 8 divisors (see below), whose sum is σ = 7884472320. Its totient is φ = 2627120580.

The previous prime is 5255278003. The next prime is 5255278019. The reversal of 5255278018 is 8108725525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5255278019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246418 + ... + 266893.

It is an arithmetic number, because the mean of its divisors is an integer number (985559040).

Almost surely, 2^5255278018 is an apocalyptic number.

5255278018 is a deficient number, since it is larger than the sum of its proper divisors (2629194302).

5255278018 is a wasteful number, since it uses less digits than its factorization.

5255278018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518432.

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 5255278018 is about 72493.2963659399. The cubic root of 5255278018 is about 1738.5955569348.

The spelling of 5255278018 in words is "five billion, two hundred fifty-five million, two hundred seventy-eight thousand, eighteen".