53836809168 has 80 divisors (see below), whose sum is σ = 146898722880. Its totient is φ = 16942989312.

The previous prime is 53836809161. The next prime is 53836809181. The reversal of 53836809168 is 86190863835.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53836809161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166480 + ... + 367952.

It is an arithmetic number, because the mean of its divisors is an integer number (1836234036).

Almost surely, 2^53836809168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53836809168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73449361440).

53836809168 is an abundant number, since it is smaller than the sum of its proper divisors (93061913712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53836809168 is a wasteful number, since it uses less digits than its factorization.

53836809168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201796 (or 201790 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 53836809168 in words is "fifty-three billion, eight hundred thirty-six million, eight hundred nine thousand, one hundred sixty-eight".