54537740003521 has 8 divisors (see below), whose sum is σ = 54590270351400. Its totient is φ = 54485215699200.

The previous prime is 54537740003447. The next prime is 54537740003531. The reversal of 54537740003521 is 12530004773545.

It can be written as a sum of positive squares in 4 ways, for example, as 1253360855296 + 53284379148225 = 1119536^2 + 7299615^2 .

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 54537740003521 - 2²⁵ = 54537706449089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54537740003531) 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, 16651071 + ... + 19655371.

It is an arithmetic number, because the mean of its divisors is an integer number (6823783793925).

Almost surely, 2^{54537740003521} is an apocalyptic number.

It is an amenable number.

54537740003521 is a deficient number, since it is larger than the sum of its proper divisors (52530347879).

54537740003521 is a wasteful number, since it uses less digits than its factorization.

54537740003521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021779.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 54537740003521 in words is "fifty-four trillion, five hundred thirty-seven billion, seven hundred forty million, three thousand, five hundred twenty-one".