53441069136 has 360 divisors, whose sum is σ = 179550722304. Its totient is φ = 13636546560.

The previous prime is 53441069051. The next prime is 53441069137. The reversal of 53441069136 is 63196014435.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53441069137) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12319960 + ... + 12324296.

Almost surely, 2^53441069136 is an apocalyptic number.

53441069136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53441069136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89775361152).

53441069136 is an abundant number, since it is smaller than the sum of its proper divisors (126109653168).

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

53441069136 is a wasteful number, since it uses less digits than its factorization.

53441069136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 53441069136 in words is "fifty-three billion, four hundred forty-one million, sixty-nine thousand, one hundred thirty-six".