54105438 has 24 divisors (see below), whose sum is σ = 110808648. Its totient is φ = 17612112.

The previous prime is 54105437. The next prime is 54105449. The reversal of 54105438 is 83450145.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54105437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8656 + ... + 13532.

It is an arithmetic number, because the mean of its divisors is an integer number (4617027).

Almost surely, 2^54105438 is an apocalyptic number.

54105438 is an abundant number, since it is smaller than the sum of its proper divisors (56703210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54105438 is a wasteful number, since it uses less digits than its factorization.

54105438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968 (or 4925 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 54105438 is about 7355.6398769923. The cubic root of 54105438 is about 378.2221616126. Note that the first 3 decimals are identical.

The spelling of 54105438 in words is "fifty-four million, one hundred five thousand, four hundred thirty-eight".