85544655 has 64 divisors (see below), whose sum is σ = 165666816. Its totient is φ = 36864000.

The previous prime is 85544651. The next prime is 85544687. The reversal of 85544655 is 55644558.

It is not a de Polignac number, because 85544655 - 2² = 85544651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85544651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133135 + ... + 133775.

It is an arithmetic number, because the mean of its divisors is an integer number (2588544).

Almost surely, 2^85544655 is an apocalyptic number.

85544655 is a deficient number, since it is larger than the sum of its proper divisors (80122161).

85544655 is a wasteful number, since it uses less digits than its factorization.

85544655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 480000, while the sum is 42.

The square root of 85544655 is about 9249.0353551060. The cubic root of 85544655 is about 440.6200881702.

The spelling of 85544655 in words is "eighty-five million, five hundred forty-four thousand, six hundred fifty-five".