855505 has 8 divisors (see below), whose sum is σ = 1173312. Its totient is φ = 586608.

The previous prime is 855499. The next prime is 855511. The reversal of 855505 is 505558.

855505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (855499) and next prime (855511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 855505 - 2⁷ = 855377 is a prime.

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, 12187 + ... + 12256.

It is an arithmetic number, because the mean of its divisors is an integer number (146664).

2⁸⁵⁵⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

855505 is a deficient number, since it is larger than the sum of its proper divisors (317807).

855505 is a wasteful number, since it uses less digits than its factorization.

855505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24455.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 855505 is about 924.9351328607. The cubic root of 855505 is about 94.9308823200.

The spelling of 855505 in words is "eight hundred fifty-five thousand, five hundred five".