85553586 has 12 divisors (see below), whose sum is σ = 185366142. Its totient is φ = 28517856.

The previous prime is 85553581. The next prime is 85553621. The reversal of 85553586 is 68535558.

It can be written as a sum of positive squares in only one way, i.e., 85211361 + 342225 = 9231^2 + 585^2 .

It is not an unprimeable number, because it can be changed into a prime (85553581) 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 in 5 ways as a sum of consecutive naturals, for example, 2376471 + ... + 2376506.

Almost surely, 2^85553586 is an apocalyptic number.

85553586 is an abundant number, since it is smaller than the sum of its proper divisors (99812556).

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

85553586 is a wasteful number, since it uses less digits than its factorization.

85553586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752985 (or 4752982 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 85553586 is about 9249.5181496119. The cubic root of 85553586 is about 440.6354214526.

The spelling of 85553586 in words is "eighty-five million, five hundred fifty-three thousand, five hundred eighty-six".