53533540321 has 8 divisors (see below), whose sum is σ = 55386547200. Its totient is φ = 51681001680.

The previous prime is 53533540309. The next prime is 53533540339. The reversal of 53533540321 is 12304533535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53533540321 - 2⁵ = 53533540289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53533540721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 124000 + ... + 349918.

It is an arithmetic number, because the mean of its divisors is an integer number (6923318400).

Almost surely, 2^53533540321 is an apocalyptic number.

It is an amenable number.

53533540321 is a deficient number, since it is larger than the sum of its proper divisors (1853006879).

53533540321 is a wasteful number, since it uses less digits than its factorization.

53533540321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234119.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 53533540321 in words is "fifty-three billion, five hundred thirty-three million, five hundred forty thousand, three hundred twenty-one".