54878443 has 2 divisors, whose sum is σ = 54878444. Its totient is φ = 54878442.

The previous prime is 54878423. The next prime is 54878477. The reversal of 54878443 is 34487845.

54878443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54878443 - 2²⁵ = 21324011 is a prime.

It is a super-2 number, since 2×54878443² = 6023287012208498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54878443.

It is not a weakly prime, because it can be changed into another prime (54878413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27439221 + 27439222.

It is an arithmetic number, because the mean of its divisors is an integer number (27439222).

Almost surely, 2^54878443 is an apocalyptic number.

54878443 is a deficient number, since it is larger than the sum of its proper divisors (1).

54878443 is an equidigital number, since it uses as much as digits as its factorization.

54878443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 43.

The square root of 54878443 is about 7407.9985826133. The cubic root of 54878443 is about 380.0148724558.

The spelling of 54878443 in words is "fifty-four million, eight hundred seventy-eight thousand, four hundred forty-three".