53354506221312 has 216 divisors, whose sum is σ = 148015841715840. Its totient is φ = 17056948838400.

The previous prime is 53354506221287. The next prime is 53354506221397. The reversal of 53354506221312 is 21312260545335.

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, 75819237 + ... + 76519707.

Almost surely, 2^{53354506221312} 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 53354506221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74007920857920).

53354506221312 is an abundant number, since it is smaller than the sum of its proper divisors (94661335494528).

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

53354506221312 is an equidigital number, since it uses as much as digits as its factorization.

53354506221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700631 (or 700576 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 53354506221312 its reverse (21312260545335), we get a palindrome (74666766766647).

The spelling of 53354506221312 in words is "fifty-three trillion, three hundred fifty-four billion, five hundred six million, two hundred twenty-one thousand, three hundred twelve".