85225655 has 8 divisors (see below), whose sum is σ = 103325712. Its totient is φ = 67477248.

The previous prime is 85225639. The next prime is 85225663. The reversal of 85225655 is 55652258.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85225655 - 2⁴ = 85225639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 87377 + ... + 88346.

It is an arithmetic number, because the mean of its divisors is an integer number (12915714).

Almost surely, 2^85225655 is an apocalyptic number.

85225655 is a deficient number, since it is larger than the sum of its proper divisors (18100057).

85225655 is a wasteful number, since it uses less digits than its factorization.

85225655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175825.

The product of its digits is 120000, while the sum is 38.

The square root of 85225655 is about 9231.7742065109. The cubic root of 85225655 is about 440.0717083541.

The spelling of 85225655 in words is "eighty-five million, two hundred twenty-five thousand, six hundred fifty-five".