54066366403 has 16 divisors (see below), whose sum is σ = 62105883840. Its totient is φ = 46106113536.

The previous prime is 54066366397. The next prime is 54066366443. The reversal of 54066366403 is 30466366045.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-54066366403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54066366403.

It is not an unprimeable number, because it can be changed into a prime (54066366443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089501 + ... + 2115217.

It is an arithmetic number, because the mean of its divisors is an integer number (3881617740).

Almost surely, 2^54066366403 is an apocalyptic number.

54066366403 is a deficient number, since it is larger than the sum of its proper divisors (8039517437).

54066366403 is a wasteful number, since it uses less digits than its factorization.

54066366403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27246.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 54066366403 in words is "fifty-four billion, sixty-six million, three hundred sixty-six thousand, four hundred three".