54394403 has 16 divisors (see below), whose sum is σ = 64496640. Its totient is φ = 44901216.

The previous prime is 54394393. The next prime is 54394409. The reversal of 54394403 is 30449345.

It is a cyclic number.

It is not a de Polignac number, because 54394403 - 2⁸ = 54394147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54394403.

It is not an unprimeable number, because it can be changed into a prime (54394409) 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 15 ways as a sum of consecutive naturals, for example, 25658 + ... + 27696.

It is an arithmetic number, because the mean of its divisors is an integer number (4031040).

Almost surely, 2^54394403 is an apocalyptic number.

54394403 is a deficient number, since it is larger than the sum of its proper divisors (10102237).

54394403 is a wasteful number, since it uses less digits than its factorization.

54394403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 54394403 is about 7375.2561311455. The cubic root of 54394403 is about 378.8942996730.

The spelling of 54394403 in words is "fifty-four million, three hundred ninety-four thousand, four hundred three".