54105305 has 8 divisors (see below), whose sum is σ = 68745672. Its totient is φ = 40738048.

The previous prime is 54105287. The next prime is 54105307. The reversal of 54105305 is 50350145.

It can be written as a sum of positive squares in 4 ways, for example, as 8082649 + 46022656 = 2843^2 + 6784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54105305 - 2⁶ = 54105241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54105307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318182 + ... + 318351.

It is an arithmetic number, because the mean of its divisors is an integer number (8593209).

Almost surely, 2^54105305 is an apocalyptic number.

It is an amenable number.

54105305 is a deficient number, since it is larger than the sum of its proper divisors (14640367).

54105305 is a wasteful number, since it uses less digits than its factorization.

54105305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636555.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 54105305 is about 7355.6308363049. The cubic root of 54105305 is about 378.2218517018.

The spelling of 54105305 in words is "fifty-four million, one hundred five thousand, three hundred five".