54611243220505 has 16 divisors (see below), whose sum is σ = 65660317716240. Its totient is φ = 43604465928192.

The previous prime is 54611243220497. The next prime is 54611243220511. The reversal of 54611243220505 is 50502234211645.

54611243220505 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 8 ways, for example, as 3531291163929 + 51079952056576 = 1879173^2 + 7147024^2 .

It is a cyclic number.

It is not a de Polignac number, because 54611243220505 - 2³ = 54611243220497 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18621841 + ... + 21354049.

It is an arithmetic number, because the mean of its divisors is an integer number (4103769857265).

Almost surely, 2^{54611243220505} is an apocalyptic number.

It is an amenable number.

54611243220505 is a deficient number, since it is larger than the sum of its proper divisors (11049074495735).

54611243220505 is a wasteful number, since it uses less digits than its factorization.

54611243220505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739948.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 54611243220505 in words is "fifty-four trillion, six hundred eleven billion, two hundred forty-three million, two hundred twenty thousand, five hundred five".