85530216 has 32 divisors (see below), whose sum is σ = 214572960. Its totient is φ = 28410432.

The previous prime is 85530197. The next prime is 85530227. The reversal of 85530216 is 61203558.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (6705405).

Almost surely, 2^85530216 is an apocalyptic number.

It is an amenable number.

85530216 is an abundant number, since it is smaller than the sum of its proper divisors (129042744).

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

85530216 is a wasteful number, since it uses less digits than its factorization.

85530216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12465 (or 12461 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 85530216 is about 9248.2547542766. The cubic root of 85530216 is about 440.5952961617.

The spelling of 85530216 in words is "eighty-five million, five hundred thirty thousand, two hundred sixteen".