53446209168 has 200 divisors, whose sum is σ = 154569348000. Its totient is φ = 15908963840.

The previous prime is 53446209161. The next prime is 53446209191. The reversal of 53446209168 is 86190264435.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53446209161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41462668 + ... + 41463956.

It is an arithmetic number, because the mean of its divisors is an integer number (772846740).

Almost surely, 2^53446209168 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 53446209168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77284674000).

53446209168 is an abundant number, since it is smaller than the sum of its proper divisors (101123138832).

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

53446209168 is a wasteful number, since it uses less digits than its factorization.

53446209168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 53446209168 in words is "fifty-three billion, four hundred forty-six million, two hundred nine thousand, one hundred sixty-eight".