53446816104 has 128 divisors (see below), whose sum is σ = 148836096000. Its totient is φ = 15990237120.

The previous prime is 53446816057. The next prime is 53446816109. The reversal of 53446816104 is 40161864435.

53446816104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53446816109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512987 + ... + 2534165.

It is an arithmetic number, because the mean of its divisors is an integer number (1162782000).

Almost surely, 2^53446816104 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 53446816104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74418048000).

53446816104 is an abundant number, since it is smaller than the sum of its proper divisors (95389279896).

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

53446816104 is a wasteful number, since it uses less digits than its factorization.

53446816104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300 (or 21274 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 53446816104 in words is "fifty-three billion, four hundred forty-six million, eight hundred sixteen thousand, one hundred four".