54043905 has 32 divisors (see below), whose sum is σ = 92353536. Its totient is φ = 26921664.

The previous prime is 54043883. The next prime is 54043909. The reversal of 54043905 is 50934045.

It is not a de Polignac number, because 54043905 - 2⁷ = 54043777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54043909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13014 + ... + 16656.

It is an arithmetic number, because the mean of its divisors is an integer number (2886048).

Almost surely, 2^54043905 is an apocalyptic number.

It is an amenable number.

54043905 is a deficient number, since it is larger than the sum of its proper divisors (38309631).

54043905 is a wasteful number, since it uses less digits than its factorization.

54043905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54043905 is about 7351.4559782400. The cubic root of 54043905 is about 378.0787257992.

The spelling of 54043905 in words is "fifty-four million, forty-three thousand, nine hundred five".