855765533 has 16 divisors (see below), whose sum is σ = 1037162880. Its totient is φ = 689289216.

The previous prime is 855765511. The next prime is 855765583. The reversal of 855765533 is 335567558.

It is not a de Polignac number, because 855765533 - 2⁸ = 855765277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855765503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76013 + ... + 86541.

It is an arithmetic number, because the mean of its divisors is an integer number (64822680).

Almost surely, 2^855765533 is an apocalyptic number.

It is an amenable number.

855765533 is a deficient number, since it is larger than the sum of its proper divisors (181397347).

855765533 is a wasteful number, since it uses less digits than its factorization.

855765533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236.

The product of its digits is 1890000, while the sum is 47.

The square root of 855765533 is about 29253.4704436927. The cubic root of 855765533 is about 949.4051799998.

The spelling of 855765533 in words is "eight hundred fifty-five million, seven hundred sixty-five thousand, five hundred thirty-three".