52530454143320 has 64 divisors (see below), whose sum is σ = 123335266127040. Its totient is φ = 20098136678400.

The previous prime is 52530454143317. The next prime is 52530454143341. The reversal of 52530454143320 is 2334145403525.

52530454143320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52530454143320² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39869480 + ... + 41165960.

It is an arithmetic number, because the mean of its divisors is an integer number (1927113533235).

Almost surely, 2^{52530454143320} is an apocalyptic number.

It is an amenable number.

52530454143320 is an abundant number, since it is smaller than the sum of its proper divisors (70804811983720).

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

52530454143320 is a wasteful number, since it uses less digits than its factorization.

52530454143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340556 (or 1340552 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 52530454143320 its reverse (2334145403525), we get a palindrome (54864599546845).

The spelling of 52530454143320 in words is "fifty-two trillion, five hundred thirty billion, four hundred fifty-four million, one hundred forty-three thousand, three hundred twenty".