52856185499 has 16 divisors (see below), whose sum is σ = 57417400320. Its totient is φ = 48366370080.

The previous prime is 52856185451. The next prime is 52856185517. The reversal of 52856185499 is 99458165825.

It is a cyclic number.

It is not a de Polignac number, because 52856185499 - 2⁸ = 52856185243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52856185429) 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 15 ways as a sum of consecutive naturals, for example, 2099114 + ... + 2124144.

It is an arithmetic number, because the mean of its divisors is an integer number (3588587520).

Almost surely, 2^52856185499 is an apocalyptic number.

52856185499 is a deficient number, since it is larger than the sum of its proper divisors (4561214821).

52856185499 is a wasteful number, since it uses less digits than its factorization.

52856185499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26450.

The product of its digits is 31104000, while the sum is 62.

The spelling of 52856185499 in words is "fifty-two billion, eight hundred fifty-six million, one hundred eighty-five thousand, four hundred ninety-nine".