855309052 has 24 divisors (see below), whose sum is σ = 1612825200. Its totient is φ = 394538496.

The previous prime is 855309047. The next prime is 855309067. The reversal of 855309052 is 250903558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124524 + ... + 131212.

It is an arithmetic number, because the mean of its divisors is an integer number (67201050).

Almost surely, 2^855309052 is an apocalyptic number.

It is an amenable number.

855309052 is a deficient number, since it is larger than the sum of its proper divisors (757516148).

855309052 is a wasteful number, since it uses less digits than its factorization.

855309052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165 (or 9163 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 855309052 is about 29245.6672346520. The cubic root of 855309052 is about 949.2363399416.

The spelling of 855309052 in words is "eight hundred fifty-five million, three hundred nine thousand, fifty-two".