54511521334541 has 4 divisors (see below), whose sum is σ = 55984805694972. Its totient is φ = 53038236974112.

The previous prime is 54511521334463. The next prime is 54511521334579. The reversal of 54511521334541 is 14543312511545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28422002650441 + 26089518684100 = 5331229^2 + 5107790^2 .

It is a cyclic number.

It is not a de Polignac number, because 54511521334541 - 2²⁶ = 54511454225677 is a prime.

It is a super-2 number, since 2×54511521334541² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54511521334492 and 54511521334501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54511527334541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736642180160 + ... + 736642180233.

It is an arithmetic number, because the mean of its divisors is an integer number (13996201423743).

Almost surely, 2^{54511521334541} is an apocalyptic number.

It is an amenable number.

54511521334541 is a deficient number, since it is larger than the sum of its proper divisors (1473284360431).

54511521334541 is a wasteful number, since it uses less digits than its factorization.

54511521334541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473284360430.

The product of its digits is 720000, while the sum is 44.

The spelling of 54511521334541 in words is "fifty-four trillion, five hundred eleven billion, five hundred twenty-one million, three hundred thirty-four thousand, five hundred forty-one".