85548563 has 2 divisors, whose sum is σ = 85548564. Its totient is φ = 85548562.

The previous prime is 85548559. The next prime is 85548587. The reversal of 85548563 is 36584558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85548563 - 2² = 85548559 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85548503) 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, 42774281 + 42774282.

It is an arithmetic number, because the mean of its divisors is an integer number (42774282).

Almost surely, 2^85548563 is an apocalyptic number.

85548563 is a deficient number, since it is larger than the sum of its proper divisors (1).

85548563 is an equidigital number, since it uses as much as digits as its factorization.

85548563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576000, while the sum is 44.

The square root of 85548563 is about 9249.2466179684. The cubic root of 85548563 is about 440.6267977929.

The spelling of 85548563 in words is "eighty-five million, five hundred forty-eight thousand, five hundred sixty-three".