54021105 has 24 divisors (see below), whose sum is σ = 93818088. Its totient is φ = 28755456.

The previous prime is 54021091. The next prime is 54021157. The reversal of 54021105 is 50112045.

54021105 is a `hidden beast` number, since 540 + 21 + 105 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1617984 + 52403121 = 1272^2 + 7239^2 .

It is not a de Polignac number, because 54021105 - 2⁶ = 54021041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34009 + ... + 35561.

It is an arithmetic number, because the mean of its divisors is an integer number (3909087).

Almost surely, 2^54021105 is an apocalyptic number.

It is an amenable number.

54021105 is a deficient number, since it is larger than the sum of its proper divisors (39796983).

54021105 is a wasteful number, since it uses less digits than its factorization.

54021105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 54021105 is about 7349.9051014282. The cubic root of 54021105 is about 378.0255504691.

The spelling of 54021105 in words is "fifty-four million, twenty-one thousand, one hundred five".