54311866663 has 4 divisors (see below), whose sum is σ = 54316066168. Its totient is φ = 54307667160.

The previous prime is 54311866649. The next prime is 54311866691. The reversal of 54311866663 is 36666811345.

54311866663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54311866663 - 2²¹ = 54309769511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54311866613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080293 + ... + 2106238.

It is an arithmetic number, because the mean of its divisors is an integer number (13579016542).

Almost surely, 2^54311866663 is an apocalyptic number.

54311866663 is a deficient number, since it is larger than the sum of its proper divisors (4199505).

54311866663 is a wasteful number, since it uses less digits than its factorization.

54311866663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199504.

The product of its digits is 1866240, while the sum is 49.

The spelling of 54311866663 in words is "fifty-four billion, three hundred eleven million, eight hundred sixty-six thousand, six hundred sixty-three".