54113252103521 has 12 divisors (see below), whose sum is σ = 58598002659132. Its totient is φ = 49948992789696.

The previous prime is 54113252103431. The next prime is 54113252103527. The reversal of 54113252103521 is 12530125231145.

54113252103521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 818346390625 + 53294905712896 = 904625^2 + 7300336^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54113252103521 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 (54113252103527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463826 + ... + 10413531.

It is an arithmetic number, because the mean of its divisors is an integer number (4883166888261).

Almost surely, 2^{54113252103521} is an apocalyptic number.

It is an amenable number.

54113252103521 is a deficient number, since it is larger than the sum of its proper divisors (4484750555611).

54113252103521 is a wasteful number, since it uses less digits than its factorization.

54113252103521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906820 (or 10906807 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 54113252103521 its reverse (12530125231145), we get a palindrome (66643377334666).

The spelling of 54113252103521 in words is "fifty-four trillion, one hundred thirteen billion, two hundred fifty-two million, one hundred three thousand, five hundred twenty-one".