53605593521 has 8 divisors (see below), whose sum is σ = 54785337600. Its totient is φ = 52427482848.

The previous prime is 53605593499. The next prime is 53605593523. The reversal of 53605593521 is 12539550635.

53605593521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53605593521 - 2¹⁰ = 53605592497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53605593523) 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, 341876 + ... + 473381.

It is an arithmetic number, because the mean of its divisors is an integer number (6848167200).

Almost surely, 2^53605593521 is an apocalyptic number.

It is an amenable number.

53605593521 is a deficient number, since it is larger than the sum of its proper divisors (1179744079).

53605593521 is a wasteful number, since it uses less digits than its factorization.

53605593521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816703.

The product of its (nonzero) digits is 607500, while the sum is 44.

The spelling of 53605593521 in words is "fifty-three billion, six hundred five million, five hundred ninety-three thousand, five hundred twenty-one".