53271447552 has 336 divisors, whose sum is σ = 164997181440. Its totient is φ = 17169408000.

The previous prime is 53271447533. The next prime is 53271447553. The reversal of 53271447552 is 25574417235.

53271447552 is a `hidden beast` number, since 53 + 2 + 7 + 1 + 4 + 47 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53271447498 and 53271447507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53271447553) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 46282177 + ... + 46283327.

It is an arithmetic number, because the mean of its divisors is an integer number (491063040).

Almost surely, 2^53271447552 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 53271447552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82498590720).

53271447552 is an abundant number, since it is smaller than the sum of its proper divisors (111725733888).

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

53271447552 is an equidigital number, since it uses as much as digits as its factorization.

53271447552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1187 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The spelling of 53271447552 in words is "fifty-three billion, two hundred seventy-one million, four hundred forty-seven thousand, five hundred fifty-two".