53345413512 has 80 divisors (see below), whose sum is σ = 149807370240. Its totient is φ = 17735294304.

The previous prime is 53345413501. The next prime is 53345413529. The reversal of 53345413512 is 21531454335.

53345413512 is a `hidden beast` number, since 53 + 34 + 54 + 13 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 140713 + ... + 355655.

It is an arithmetic number, because the mean of its divisors is an integer number (1872592128).

Almost surely, 2^53345413512 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 53345413512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74903685120).

53345413512 is an abundant number, since it is smaller than the sum of its proper divisors (96461956728).

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

53345413512 is a wasteful number, since it uses less digits than its factorization.

53345413512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215344 (or 215331 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 53345413512 its reverse (21531454335), we get a palindrome (74876867847).

The spelling of 53345413512 in words is "fifty-three billion, three hundred forty-five million, four hundred thirteen thousand, five hundred twelve".