85039556 has 24 divisors (see below), whose sum is σ = 177475200. Its totient is φ = 34860672.

The previous prime is 85039531. The next prime is 85039621. The reversal of 85039556 is 65593058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65381 + ... + 66668.

It is an arithmetic number, because the mean of its divisors is an integer number (7394800).

Almost surely, 2^85039556 is an apocalyptic number.

It is an amenable number.

85039556 is an abundant number, since it is smaller than the sum of its proper divisors (92435644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85039556 is a wasteful number, since it uses less digits than its factorization.

85039556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132083 (or 132081 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 85039556 is about 9221.6894330703. The cubic root of 85039556 is about 439.7511609502.

The spelling of 85039556 in words is "eighty-five million, thirty-nine thousand, five hundred fifty-six".