53541120521 has 24 divisors (see below), whose sum is σ = 63367647840. Its totient is φ = 45093556032.

The previous prime is 53541120517. The next prime is 53541120527. The reversal of 53541120521 is 12502114535.

It is not a de Polignac number, because 53541120521 - 2² = 53541120517 is a prime.

It is a super-2 number, since 2×53541120521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53541120527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11772770 + ... + 11777316.

It is an arithmetic number, because the mean of its divisors is an integer number (2640318660).

Almost surely, 2^53541120521 is an apocalyptic number.

It is an amenable number.

53541120521 is a deficient number, since it is larger than the sum of its proper divisors (9826527319).

53541120521 is a wasteful number, since it uses less digits than its factorization.

53541120521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693 (or 8686 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 53541120521 in words is "fifty-three billion, five hundred forty-one million, one hundred twenty thousand, five hundred twenty-one".