85020052 has 48 divisors (see below), whose sum is σ = 169852032. Its totient is φ = 36938880.

The previous prime is 85020049. The next prime is 85020071. The reversal of 85020052 is 25002058.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 79602 + ... + 80662.

It is an arithmetic number, because the mean of its divisors is an integer number (3538584).

Almost surely, 2^85020052 is an apocalyptic number.

It is an amenable number.

85020052 is a deficient number, since it is larger than the sum of its proper divisors (84831980).

85020052 is a wasteful number, since it uses less digits than its factorization.

85020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

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

The square root of 85020052 is about 9220.6318655502. The cubic root of 85020052 is about 439.7175390968.

It can be divided in two parts, 850 and 20052, that added together give a palindrome (20902).

The spelling of 85020052 in words is "eighty-five million, twenty thousand, fifty-two".