855905530 has 16 divisors (see below), whose sum is σ = 1552392864. Its totient is φ = 339748240.

The previous prime is 855905489. The next prime is 855905539. The reversal of 855905530 is 35509558.

It is not an unprimeable number, because it can be changed into a prime (855905539) 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 7 ways as a sum of consecutive naturals, for example, 325372 + ... + 327991.

It is an arithmetic number, because the mean of its divisors is an integer number (97024554).

Almost surely, 2^855905530 is an apocalyptic number.

855905530 is a deficient number, since it is larger than the sum of its proper divisors (696487334).

855905530 is a wasteful number, since it uses less digits than its factorization.

855905530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653501.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 855905530 is about 29255.8631730462. The cubic root of 855905530 is about 949.4569490980.

The spelling of 855905530 in words is "eight hundred fifty-five million, nine hundred five thousand, five hundred thirty".