855052 has 12 divisors (see below), whose sum is σ = 1632456. Its totient is φ = 388640.

The previous prime is 855031. The next prime is 855059. The reversal of 855052 is 250558.

It is a super-2 number, since 2×855052² = 1462227845408, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (855059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9673 + ... + 9760.

It is an arithmetic number, because the mean of its divisors is an integer number (136038).

2⁸⁵⁵⁰⁵² is an apocalyptic number.

It is an amenable number.

855052 is a deficient number, since it is larger than the sum of its proper divisors (777404).

855052 is a wasteful number, since it uses less digits than its factorization.

855052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19448 (or 19446 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 855052 is about 924.6902183975. The cubic root of 855052 is about 94.9141236872.

The spelling of 855052 in words is "eight hundred fifty-five thousand, fifty-two".