54105005 has 4 divisors (see below), whose sum is σ = 64926012. Its totient is φ = 43284000.

The previous prime is 54105001. The next prime is 54105019. The reversal of 54105005 is 50050145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50050145 = 5 ⋅10010029.

It can be written as a sum of positive squares in 2 ways, for example, as 6135529 + 47969476 = 2477^2 + 6926^2 .

It is not a de Polignac number, because 54105005 - 2² = 54105001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54105001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5410496 + ... + 5410505.

It is an arithmetic number, because the mean of its divisors is an integer number (16231503).

Almost surely, 2^54105005 is an apocalyptic number.

It is an amenable number.

54105005 is a deficient number, since it is larger than the sum of its proper divisors (10821007).

54105005 is a wasteful number, since it uses less digits than its factorization.

54105005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821006.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 54105005 is about 7355.6104437361. The cubic root of 54105005 is about 378.2211526528.

The spelling of 54105005 in words is "fifty-four million, one hundred five thousand, five".