54663843 has 16 divisors (see below), whose sum is σ = 78982400. Its totient is φ = 33429024.

The previous prime is 54663821. The next prime is 54663859. The reversal of 54663843 is 34836645.

It is not a de Polignac number, because 54663843 - 2⁹ = 54663331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is the 7394-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54663803) by changing a digit.

It is a nontrivial repunit in base 7393.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (4936400).

Almost surely, 2^54663843 is an apocalyptic number.

54663843 is a deficient number, since it is larger than the sum of its proper divisors (24318557).

54663843 is a wasteful number, since it uses less digits than its factorization.

54663843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778.

The product of its digits is 207360, while the sum is 39.

The square root of 54663843 is about 7393.5000507202. The cubic root of 54663843 is about 379.5188809540.

The spelling of 54663843 in words is "fifty-four million, six hundred sixty-three thousand, eight hundred forty-three".