54511611545 has 8 divisors (see below), whose sum is σ = 69261812424. Its totient is φ = 41044036864.

The previous prime is 54511611533. The next prime is 54511611551.

54511611545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 28567422361 + 25944189184 = 169019^2 + 161072^2 .

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 54511611545 - 2⁴ = 54511611529 is a prime.

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 = 54511611499 and 54511611508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320656454 + ... + 320656623.

It is an arithmetic number, because the mean of its divisors is an integer number (8657726553).

Almost surely, 2^54511611545 is an apocalyptic number.

It is an amenable number.

54511611545 is a deficient number, since it is larger than the sum of its proper divisors (14750200879).

54511611545 is a wasteful number, since it uses less digits than its factorization.

54511611545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641313099.

The product of its digits is 60000, while the sum is 38.

The spelling of 54511611545 in words is "fifty-four billion, five hundred eleven million, six hundred eleven thousand, five hundred forty-five".