54459859 has 2 divisors, whose sum is σ = 54459860. Its totient is φ = 54459858.

The previous prime is 54459851. The next prime is 54459877. The reversal of 54459859 is 95895445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54459859 - 2³ = 54459851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54459851) 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, 27229929 + 27229930.

It is an arithmetic number, because the mean of its divisors is an integer number (27229930).

Almost surely, 2^54459859 is an apocalyptic number.

54459859 is a deficient number, since it is larger than the sum of its proper divisors (1).

54459859 is an equidigital number, since it uses as much as digits as its factorization.

54459859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 49.

The square root of 54459859 is about 7379.6923377604. The cubic root of 54459859 is about 379.0462207189.

The spelling of 54459859 in words is "fifty-four million, four hundred fifty-nine thousand, eight hundred fifty-nine".