54443863 has 2 divisors, whose sum is σ = 54443864. Its totient is φ = 54443862.

The previous prime is 54443861. The next prime is 54443887. The reversal of 54443863 is 36834445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54443863 - 2¹ = 54443861 is a prime.

Together with 54443861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54443861) 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 as a sum of consecutive naturals, namely, 27221931 + 27221932.

It is an arithmetic number, because the mean of its divisors is an integer number (27221932).

Almost surely, 2^54443863 is an apocalyptic number.

54443863 is a deficient number, since it is larger than the sum of its proper divisors (1).

54443863 is an equidigital number, since it uses as much as digits as its factorization.

54443863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

The square root of 54443863 is about 7378.6084731472. The cubic root of 54443863 is about 379.0091058164.

The spelling of 54443863 in words is "fifty-four million, four hundred forty-three thousand, eight hundred sixty-three".