85555659 has 16 divisors (see below), whose sum is σ = 130507520. Its totient is φ = 48837600.

The previous prime is 85555633. The next prime is 85555661. The reversal of 85555659 is 95655558.

It is not a de Polignac number, because 85555659 - 2⁸ = 85555403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85555669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28584 + ... + 31434.

It is an arithmetic number, because the mean of its divisors is an integer number (8156720).

Almost surely, 2^85555659 is an apocalyptic number.

85555659 is a deficient number, since it is larger than the sum of its proper divisors (44951861).

85555659 is a wasteful number, since it uses less digits than its factorization.

85555659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

The product of its digits is 1350000, while the sum is 48.

The square root of 85555659 is about 9249.6302088246. The cubic root of 85555659 is about 440.6389803522.

The spelling of 85555659 in words is "eighty-five million, five hundred fifty-five thousand, six hundred fifty-nine".