52849491853 has 4 divisors (see below), whose sum is σ = 52862899168. Its totient is φ = 52836084540.

The previous prime is 52849491847. The next prime is 52849491869. The reversal of 52849491853 is 35819494825.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52849491853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52849491823) 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 3 ways as a sum of consecutive naturals, for example, 6697743 + ... + 6705628.

It is an arithmetic number, because the mean of its divisors is an integer number (13215724792).

Almost surely, 2^52849491853 is an apocalyptic number.

It is an amenable number.

52849491853 is a deficient number, since it is larger than the sum of its proper divisors (13407315).

52849491853 is a wasteful number, since it uses less digits than its factorization.

52849491853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407314.

The product of its digits is 12441600, while the sum is 58.

The spelling of 52849491853 in words is "fifty-two billion, eight hundred forty-nine million, four hundred ninety-one thousand, eight hundred fifty-three".