53013224412 has 120 divisors (see below), whose sum is σ = 142274764016. Its totient is φ = 17203560192.

The previous prime is 53013224389. The next prime is 53013224441. The reversal of 53013224412 is 21442231035.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4354638 + ... + 4366794.

Almost surely, 2^53013224412 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 53013224412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71137382008).

53013224412 is an abundant number, since it is smaller than the sum of its proper divisors (89261539604).

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

53013224412 is a wasteful number, since it uses less digits than its factorization.

53013224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12529 (or 12518 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 53013224412 its reverse (21442231035), we get a palindrome (74455455447).

The spelling of 53013224412 in words is "fifty-three billion, thirteen million, two hundred twenty-four thousand, four hundred twelve".