54451010205 has 24 divisors (see below), whose sum is σ = 94445253240. Its totient is φ = 29020999680.

The previous prime is 54451010191. The next prime is 54451010311. The reversal of 54451010205 is 50201015445.

54451010205 is a `hidden beast` number, since 5 + 4 + 451 + 0 + 1 + 0 + 205 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6006560004 + 48444450201 = 77502^2 + 220101^2 .

It is not a de Polignac number, because 54451010205 - 2²⁵ = 54417455773 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339316 + ... + 473325.

It is an arithmetic number, because the mean of its divisors is an integer number (3935218885).

Almost surely, 2^54451010205 is an apocalyptic number.

It is an amenable number.

54451010205 is a deficient number, since it is larger than the sum of its proper divisors (39994243035).

54451010205 is a wasteful number, since it uses less digits than its factorization.

54451010205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814141 (or 814138 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 54451010205 in words is "fifty-four billion, four hundred fifty-one million, ten thousand, two hundred five".