54203403553 has 16 divisors (see below), whose sum is σ = 59879304576. Its totient is φ = 48746079360.

The previous prime is 54203403539. The next prime is 54203403557. The reversal of 54203403553 is 35530430245.

It is a cyclic number.

It is not a de Polignac number, because 54203403553 - 2¹³ = 54203395361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54203403557) 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, 317550 + ... + 457432.

It is an arithmetic number, because the mean of its divisors is an integer number (3742456536).

Almost surely, 2^54203403553 is an apocalyptic number.

It is an amenable number.

54203403553 is a deficient number, since it is larger than the sum of its proper divisors (5675901023).

54203403553 is a wasteful number, since it uses less digits than its factorization.

54203403553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140664.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 54203403553 its reverse (35530430245), we get a palindrome (89733833798).

The spelling of 54203403553 in words is "fifty-four billion, two hundred three million, four hundred three thousand, five hundred fifty-three".