53521533321103 has 8 divisors (see below), whose sum is σ = 54790229984336. Its totient is φ = 52253928014400.

The previous prime is 53521533321059. The next prime is 53521533321121. The reversal of 53521533321103 is 30112333512535.

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 53521533321103 - 2¹⁷ = 53521533190031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53521533321133) 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, 272739888 + ... + 272936053.

It is an arithmetic number, because the mean of its divisors is an integer number (6848778748042).

Almost surely, 2^{53521533321103} is an apocalyptic number.

53521533321103 is a deficient number, since it is larger than the sum of its proper divisors (1268696663233).

53521533321103 is a wasteful number, since it uses less digits than its factorization.

53521533321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545678265.

The product of its (nonzero) digits is 121500, while the sum is 37.

Adding to 53521533321103 its reverse (30112333512535), we get a palindrome (83633866833638).

The spelling of 53521533321103 in words is "fifty-three trillion, five hundred twenty-one billion, five hundred thirty-three million, three hundred twenty-one thousand, one hundred three".