54660278905 has 4 divisors (see below), whose sum is σ = 65592334692. Its totient is φ = 43728223120.

The previous prime is 54660278899. The next prime is 54660278957. The reversal of 54660278905 is 50987206645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50987206645 = 5 ⋅10197441329.

It can be written as a sum of positive squares in 2 ways, for example, as 26442662544 + 28217616361 = 162612^2 + 167981^2 .

It is not a de Polignac number, because 54660278905 - 2⁵ = 54660278873 is a prime.

It is a Duffinian 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, 5466027886 + ... + 5466027895.

It is an arithmetic number, because the mean of its divisors is an integer number (16398083673).

Almost surely, 2^54660278905 is an apocalyptic number.

It is an amenable number.

54660278905 is a deficient number, since it is larger than the sum of its proper divisors (10932055787).

54660278905 is a wasteful number, since it uses less digits than its factorization.

54660278905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10932055786.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 54660278905 in words is "fifty-four billion, six hundred sixty million, two hundred seventy-eight thousand, nine hundred five".