85533330 has 16 divisors (see below), whose sum is σ = 205280064. Its totient is φ = 22808880.

The previous prime is 85533313. The next prime is 85533377. The reversal of 85533330 is 3333558.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2851111 = 85533330 / (8 + 5 + 5 + 3 + 3 + 3 + 3 + 0).

It is a Curzon number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425526 + ... + 1425585.

It is an arithmetic number, because the mean of its divisors is an integer number (12830004).

Almost surely, 2^85533330 is an apocalyptic number.

85533330 is an abundant number, since it is smaller than the sum of its proper divisors (119746734).

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

85533330 is a wasteful number, since it uses less digits than its factorization.

85533330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851121.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 85533330 is about 9248.4231088332. The cubic root of 85533330 is about 440.6006431886.

Adding to 85533330 its reverse (3333558), we get a palindrome (88866888).

The spelling of 85533330 in words is "eighty-five million, five hundred thirty-three thousand, three hundred thirty".