54408123 has 24 divisors (see below), whose sum is σ = 97982976. Its totient is φ = 28263600.

The previous prime is 54408119. The next prime is 54408139. The reversal of 54408123 is 32180445.

It is not a de Polignac number, because 54408123 - 2² = 54408119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54408163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38563 + ... + 39948.

It is an arithmetic number, because the mean of its divisors is an integer number (4082624).

Almost surely, 2^54408123 is an apocalyptic number.

54408123 is a deficient number, since it is larger than the sum of its proper divisors (43574853).

54408123 is a wasteful number, since it uses less digits than its factorization.

54408123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78535 (or 78532 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 54408123 is about 7376.1862096886. The cubic root of 54408123 is about 378.9261533963.

Subtracting from 54408123 its sum of digits (27), we obtain a triangular number (54408096 = T₁₀₄₃₁).

Adding to 54408123 its reverse (32180445), we get a palindrome (86588568).

The spelling of 54408123 in words is "fifty-four million, four hundred eight thousand, one hundred twenty-three".