85525586 has 4 divisors (see below), whose sum is σ = 128288382. Its totient is φ = 42762792.

The previous prime is 85525547. The next prime is 85525619. The reversal of 85525586 is 68552558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 17380561 = 8255^2 + 4169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21381395 + ... + 21381398.

Almost surely, 2^85525586 is an apocalyptic number.

85525586 is a deficient number, since it is larger than the sum of its proper divisors (42762796).

85525586 is a wasteful number, since it uses less digits than its factorization.

85525586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42762795.

The product of its digits is 480000, while the sum is 44.

The square root of 85525586 is about 9248.0044333899. The cubic root of 85525586 is about 440.5873457822.

The spelling of 85525586 in words is "eighty-five million, five hundred twenty-five thousand, five hundred eighty-six".