54947318285 has 4 divisors (see below), whose sum is σ = 65936781948. Its totient is φ = 43957854624.

The previous prime is 54947318269. The next prime is 54947318333. The reversal of 54947318285 is 58281374945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58281374945 = 5 ⋅11656274989.

It can be written as a sum of positive squares in 2 ways, for example, as 22693313449 + 32254004836 = 150643^2 + 179594^2 .

It is a cyclic number.

It is not a de Polignac number, because 54947318285 - 2⁴ = 54947318269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54947318285.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5494731824 + ... + 5494731833.

It is an arithmetic number, because the mean of its divisors is an integer number (16484195487).

Almost surely, 2^54947318285 is an apocalyptic number.

It is an amenable number.

54947318285 is a deficient number, since it is larger than the sum of its proper divisors (10989463663).

54947318285 is a wasteful number, since it uses less digits than its factorization.

54947318285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10989463662.

The product of its digits is 9676800, while the sum is 56.

The spelling of 54947318285 in words is "fifty-four billion, nine hundred forty-seven million, three hundred eighteen thousand, two hundred eighty-five".