85450 has 12 divisors (see below), whose sum is σ = 159030. Its totient is φ = 34160.

The previous prime is 85447. The next prime is 85451. The reversal of 85450 is 5458.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 49729 + 35721 = 223^2 + 189^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 805 + ... + 904.

2⁸⁵⁴⁵⁰ is an apocalyptic number.

85450 is a deficient number, since it is larger than the sum of its proper divisors (73580).

85450 is a wasteful number, since it uses less digits than its factorization.

85450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 85450 is about 292.3183196449. The cubic root of 85450 is about 44.0457513093.

It can be divided in two parts, 85 and 450, that added together give a palindrome (535).

The spelling of 85450 in words is "eighty-five thousand, four hundred fifty".