85542066 has 24 divisors (see below), whose sum is σ = 195096720. Its totient is φ = 27013176.

The previous prime is 85542059. The next prime is 85542077. The reversal of 85542066 is 66024558.

It is a self number, because there is not a number n which added to its sum of digits gives 85542066.

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 11 ways as a sum of consecutive naturals, for example, 124720 + ... + 125403.

It is an arithmetic number, because the mean of its divisors is an integer number (8129030).

Almost surely, 2^85542066 is an apocalyptic number.

85542066 is an abundant number, since it is smaller than the sum of its proper divisors (109554654).

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

85542066 is a wasteful number, since it uses less digits than its factorization.

85542066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250150 (or 250147 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 85542066 is about 9248.8953935051. The cubic root of 85542066 is about 440.6156430184.

The spelling of 85542066 in words is "eighty-five million, five hundred forty-two thousand, sixty-six".