85252550 has 12 divisors (see below), whose sum is σ = 158569836. Its totient is φ = 34101000.

The previous prime is 85252529. The next prime is 85252553. The reversal of 85252550 is 5525258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85252553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852476 + ... + 852575.

It is an arithmetic number, because the mean of its divisors is an integer number (13214153).

Almost surely, 2^85252550 is an apocalyptic number.

85252550 is a deficient number, since it is larger than the sum of its proper divisors (73317286).

85252550 is a wasteful number, since it uses less digits than its factorization.

85252550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705063 (or 1705058 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 85252550 is about 9233.2307455191. The cubic root of 85252550 is about 440.1179952138.

The spelling of 85252550 in words is "eighty-five million, two hundred fifty-two thousand, five hundred fifty".