85632250 has 32 divisors (see below), whose sum is σ = 174882240. Its totient is φ = 31138000.

The previous prime is 85632241. The next prime is 85632257. The reversal of 85632250 is 5223658.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85632257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12820 + ... + 18319.

It is an arithmetic number, because the mean of its divisors is an integer number (5465070).

Almost surely, 2^85632250 is an apocalyptic number.

85632250 is an abundant number, since it is smaller than the sum of its proper divisors (89249990).

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

85632250 is a wasteful number, since it uses less digits than its factorization.

85632250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31167 (or 31157 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 85632250 is about 9253.7695022083. The cubic root of 85632250 is about 440.7704305085.

The spelling of 85632250 in words is "eighty-five million, six hundred thirty-two thousand, two hundred fifty".