54905389 has 16 divisors (see below), whose sum is σ = 68616576. Its totient is φ = 42681600.

The previous prime is 54905363. The next prime is 54905399. The reversal of 54905389 is 98350945.

It is a happy number.

54905389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54905389 - 2⁹ = 54904877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54905329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58129 + ... + 59065.

It is an arithmetic number, because the mean of its divisors is an integer number (4288536).

Almost surely, 2^54905389 is an apocalyptic number.

It is an amenable number.

54905389 is a deficient number, since it is larger than the sum of its proper divisors (13711187).

54905389 is a wasteful number, since it uses less digits than its factorization.

54905389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 54905389 is about 7409.8170692670. The cubic root of 54905389 is about 380.0770596261.

The spelling of 54905389 in words is "fifty-four million, nine hundred five thousand, three hundred eighty-nine".