53321281452 has 24 divisors (see below), whose sum is σ = 138240359600. Its totient is φ = 17773760448.

The previous prime is 53321281367. The next prime is 53321281457. The reversal of 53321281452 is 25418212335.

53321281452 is a `hidden beast` number, since 5 + 3 + 321 + 281 + 4 + 52 = 666.

53321281452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (53321281457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246857677 + ... + 246857892.

Almost surely, 2^53321281452 is an apocalyptic number.

It is an amenable number.

53321281452 is an abundant number, since it is smaller than the sum of its proper divisors (84919078148).

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

53321281452 is a wasteful number, since it uses less digits than its factorization.

53321281452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493715582 (or 493715574 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 53321281452 its reverse (25418212335), we get a palindrome (78739493787).

The spelling of 53321281452 in words is "fifty-three billion, three hundred twenty-one million, two hundred eighty-one thousand, four hundred fifty-two".