53308544321 has 4 divisors (see below), whose sum is σ = 56114257200. Its totient is φ = 50502831444.

The previous prime is 53308544249. The next prime is 53308544329. The reversal of 53308544321 is 12344580335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53308544321 - 2³⁴ = 36128675137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53308544329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402856411 + ... + 1402856448.

It is an arithmetic number, because the mean of its divisors is an integer number (14028564300).

Almost surely, 2^53308544321 is an apocalyptic number.

It is an amenable number.

53308544321 is a deficient number, since it is larger than the sum of its proper divisors (2805712879).

53308544321 is a wasteful number, since it uses less digits than its factorization.

53308544321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805712878.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 53308544321 in words is "fifty-three billion, three hundred eight million, five hundred forty-four thousand, three hundred twenty-one".