53511441521 has 8 divisors (see below), whose sum is σ = 56344512000. Its totient is φ = 50680038960.

The previous prime is 53511441479. The next prime is 53511441527. The reversal of 53511441521 is 12514411535.

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 53511441521 - 2¹⁰ = 53511440497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53511441527) 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 7 ways as a sum of consecutive naturals, for example, 350846 + ... + 479703.

It is an arithmetic number, because the mean of its divisors is an integer number (7043064000).

Almost surely, 2^53511441521 is an apocalyptic number.

It is an amenable number.

53511441521 is a deficient number, since it is larger than the sum of its proper divisors (2833070479).

53511441521 is a wasteful number, since it uses less digits than its factorization.

53511441521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833959.

The product of its digits is 12000, while the sum is 32.

The spelling of 53511441521 in words is "fifty-three billion, five hundred eleven million, four hundred forty-one thousand, five hundred twenty-one".