85085455 has 32 divisors (see below), whose sum is σ = 128757888. Its totient is φ = 52531200.

The previous prime is 85085453. The next prime is 85085471. The reversal of 85085455 is 55458058.

It is not a de Polignac number, because 85085455 - 2¹ = 85085453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85085453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16375 + ... + 20935.

It is an arithmetic number, because the mean of its divisors is an integer number (4023684).

Almost surely, 2^85085455 is an apocalyptic number.

85085455 is a deficient number, since it is larger than the sum of its proper divisors (43672433).

85085455 is a wasteful number, since it uses less digits than its factorization.

85085455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627.

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 85085455 is about 9224.1777411323. The cubic root of 85085455 is about 439.8302633867.

The spelling of 85085455 in words is "eighty-five million, eighty-five thousand, four hundred fifty-five".