54405366603 has 16 divisors (see below), whose sum is σ = 84467632896. Its totient is φ = 30502199520.

The previous prime is 54405366559. The next prime is 54405366607. The reversal of 54405366603 is 30666350445.

It is a happy number.

It is not a de Polignac number, because 54405366603 - 2¹⁸ = 54405104459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54405366607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24439753 + ... + 24441978.

It is an arithmetic number, because the mean of its divisors is an integer number (5279227056).

Almost surely, 2^54405366603 is an apocalyptic number.

54405366603 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54405366603 is a deficient number, since it is larger than the sum of its proper divisors (30062266293).

54405366603 is a wasteful number, since it uses less digits than its factorization.

54405366603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48881794.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 54405366603 in words is "fifty-four billion, four hundred five million, three hundred sixty-six thousand, six hundred three".