52856498403 has 20 divisors (see below), whose sum is σ = 80638446240. Its totient is φ = 34487925552.

The previous prime is 52856498389. The next prime is 52856498417. The reversal of 52856498403 is 30489465825.

It is an interprime number because it is at equal distance from previous prime (52856498389) and next prime (52856498417).

It is not a de Polignac number, because 52856498403 - 2⁶ = 52856498339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52856498403.

It is not an unprimeable number, because it can be changed into a prime (52856490403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6938208 + ... + 6945821.

It is an arithmetic number, because the mean of its divisors is an integer number (4031922312).

Almost surely, 2^52856498403 is an apocalyptic number.

52856498403 is a deficient number, since it is larger than the sum of its proper divisors (27781947837).

52856498403 is a wasteful number, since it uses less digits than its factorization.

52856498403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13884088 (or 13884079 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 52856498403 in words is "fifty-two billion, eight hundred fifty-six million, four hundred ninety-eight thousand, four hundred three".