852553385 has 32 divisors (see below), whose sum is σ = 1079930880. Its totient is φ = 645465600.

The previous prime is 852553381. The next prime is 852553393. The reversal of 852553385 is 583355258.

It is not a de Polignac number, because 852553385 - 2² = 852553381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (852553381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987464 + ... + 988326.

It is an arithmetic number, because the mean of its divisors is an integer number (33747840).

Almost surely, 2^852553385 is an apocalyptic number.

It is an amenable number.

852553385 is a deficient number, since it is larger than the sum of its proper divisors (227377495).

852553385 is a wasteful number, since it uses less digits than its factorization.

852553385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049.

The product of its digits is 720000, while the sum is 44.

The square root of 852553385 is about 29198.5168287706. The cubic root of 852553385 is about 948.2158146723.

The spelling of 852553385 in words is "eight hundred fifty-two million, five hundred fifty-three thousand, three hundred eighty-five".