548485589 has 2 divisors, whose sum is σ = 548485590. Its totient is φ = 548485588.

The previous prime is 548485549. The next prime is 548485633. The reversal of 548485589 is 985584845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492085489 + 56400100 = 22183^2 + 7510^2 .

It is a cyclic number.

It is not a de Polignac number, because 548485589 - 2¹⁶ = 548420053 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548485529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274242794 + 274242795.

It is an arithmetic number, because the mean of its divisors is an integer number (274242795).

Almost surely, 2^548485589 is an apocalyptic number.

It is an amenable number.

548485589 is a deficient number, since it is larger than the sum of its proper divisors (1).

548485589 is an equidigital number, since it uses as much as digits as its factorization.

548485589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216000, while the sum is 56.

The square root of 548485589 is about 23419.7691918601. The cubic root of 548485589 is about 818.5685859236.

The spelling of 548485589 in words is "five hundred forty-eight million, four hundred eighty-five thousand, five hundred eighty-nine".