53528243832561 has 32 divisors (see below), whose sum is σ = 73482404244480. Its totient is φ = 34640135135424.

The previous prime is 53528243832541. The next prime is 53528243832577. The reversal of 53528243832561 is 16523834282535.

It is not a de Polignac number, because 53528243832561 - 2⁵ = 53528243832529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53528243832541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111547206 + ... + 112026048.

It is an arithmetic number, because the mean of its divisors is an integer number (2296325132640).

Almost surely, 2^{53528243832561} is an apocalyptic number.

It is an amenable number.

53528243832561 is a deficient number, since it is larger than the sum of its proper divisors (19954160411919).

53528243832561 is a wasteful number, since it uses less digits than its factorization.

53528243832561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484245.

The product of its digits is 41472000, while the sum is 57.

The spelling of 53528243832561 in words is "fifty-three trillion, five hundred twenty-eight billion, two hundred forty-three million, eight hundred thirty-two thousand, five hundred sixty-one".