855055252 has 12 divisors (see below), whose sum is σ = 1575101920. Its totient is φ = 405026136.

The previous prime is 855055247. The next prime is 855055261. The reversal of 855055252 is 252550558.

It is a super-2 number, since 2×855055252² = 1462238967945567008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5625288 + ... + 5625439.

Almost surely, 2^855055252 is an apocalyptic number.

It is an amenable number.

855055252 is a deficient number, since it is larger than the sum of its proper divisors (720046668).

855055252 is a wasteful number, since it uses less digits than its factorization.

855055252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250750 (or 11250748 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The square root of 855055252 is about 29241.3278084289. The cubic root of 855055252 is about 949.1424401534.

The spelling of 855055252 in words is "eight hundred fifty-five million, fifty-five thousand, two hundred fifty-two".