52031815853 has 2 divisors, whose sum is σ = 52031815854. Its totient is φ = 52031815852.

The previous prime is 52031815763. The next prime is 52031815897. The reversal of 52031815853 is 35851813025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32308984009 + 19722831844 = 179747^2 + 140438^2 .

It is a cyclic number.

It is not a de Polignac number, because 52031815853 - 2¹⁰ = 52031814829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52031815853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52031817853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26015907926 + 26015907927.

It is an arithmetic number, because the mean of its divisors is an integer number (26015907927).

Almost surely, 2^52031815853 is an apocalyptic number.

It is an amenable number.

52031815853 is a deficient number, since it is larger than the sum of its proper divisors (1).

52031815853 is an equidigital number, since it uses as much as digits as its factorization.

52031815853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 52031815853 in words is "fifty-two billion, thirty-one million, eight hundred fifteen thousand, eight hundred fifty-three".