54105405 has 16 divisors (see below), whose sum is σ = 87103680. Its totient is φ = 28677888.

The previous prime is 54105371. The next prime is 54105409. The reversal of 54105405 is 50450145.

It is not a de Polignac number, because 54105405 - 2⁶ = 54105341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54105409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8620 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (5443980).

Almost surely, 2^54105405 is an apocalyptic number.

It is an amenable number.

54105405 is a deficient number, since it is larger than the sum of its proper divisors (32998275).

54105405 is a wasteful number, since it uses less digits than its factorization.

54105405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22300.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 54105405 is about 7355.6376338153. The cubic root of 54105405 is about 378.2220847175. Note that the first 3 decimals are identical.

The spelling of 54105405 in words is "fifty-four million, one hundred five thousand, four hundred five".