855505558 has 8 divisors (see below), whose sum is σ = 1297677240. Its totient is φ = 422946480.

The previous prime is 855505529. The next prime is 855505559.

855505558 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×855505558³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855505559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2402928 + ... + 2403283.

It is an arithmetic number, because the mean of its divisors is an integer number (162209655).

Almost surely, 2^855505558 is an apocalyptic number.

855505558 is a deficient number, since it is larger than the sum of its proper divisors (442171682).

855505558 is a wasteful number, since it uses less digits than its factorization.

855505558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806302.

The product of its (nonzero) digits is 1000000, while the sum is 46.

The square root of 855505558 is about 29249.0266162825. The cubic root of 855505558 is about 949.3090295939.

The spelling of 855505558 in words is "eight hundred fifty-five million, five hundred five thousand, five hundred fifty-eight".