85653256 has 24 divisors (see below), whose sum is σ = 173906730. Its totient is φ = 39531648.

The previous prime is 85653251. The next prime is 85653257. The reversal of 85653256 is 65235658.

It can be written as a sum of positive squares in 3 ways, for example, as 61308900 + 24344356 = 7830^2 + 4934^2 .

It is not an unprimeable number, because it can be changed into a prime (85653251) 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, 30325 + ... + 33028.

Almost surely, 2^85653256 is an apocalyptic number.

It is an amenable number.

85653256 is an abundant number, since it is smaller than the sum of its proper divisors (88253474).

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

85653256 is a wasteful number, since it uses less digits than its factorization.

85653256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63385 (or 63368 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 85653256 is about 9254.9044295444. The cubic root of 85653256 is about 440.8064685926.

The spelling of 85653256 in words is "eighty-five million, six hundred fifty-three thousand, two hundred fifty-six".