54331603 has 2 divisors, whose sum is σ = 54331604. Its totient is φ = 54331602.

The previous prime is 54331591. The next prime is 54331633. The reversal of 54331603 is 30613345.

54331603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54331603 - 2⁹ = 54331091 is a prime.

It is not a weakly prime, because it can be changed into another prime (54331633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27165801 + 27165802.

It is an arithmetic number, because the mean of its divisors is an integer number (27165802).

Almost surely, 2^54331603 is an apocalyptic number.

54331603 is a deficient number, since it is larger than the sum of its proper divisors (1).

54331603 is an equidigital number, since it uses as much as digits as its factorization.

54331603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 54331603 is about 7370.9974223303. The cubic root of 54331603 is about 378.7484285063.

Adding to 54331603 its reverse (30613345), we get a palindrome (84944948).

The spelling of 54331603 in words is "fifty-four million, three hundred thirty-one thousand, six hundred three".