53403022305012 has 72 divisors (see below), whose sum is σ = 132392572259584. Its totient is φ = 16750784913408.

The previous prime is 53403022305007. The next prime is 53403022305047. The reversal of 53403022305012 is 21050322030435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17327508 + ... + 20175444.

Almost surely, 2^{53403022305012} 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 53403022305012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66196286129792).

53403022305012 is an abundant number, since it is smaller than the sum of its proper divisors (78989549954572).

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

53403022305012 is a wasteful number, since it uses less digits than its factorization.

53403022305012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853385 (or 2853366 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 53403022305012 its reverse (21050322030435), we get a palindrome (74453344335447).

The spelling of 53403022305012 in words is "fifty-three trillion, four hundred three billion, twenty-two million, three hundred five thousand, twelve".