955559 has 4 divisors (see below), whose sum is σ = 1042440. Its totient is φ = 868680.

The previous prime is 955541. The next prime is 955601.

It is a happy number.

955559 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-955559 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 (952559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43424 + ... + 43445.

It is an arithmetic number, because the mean of its divisors is an integer number (260610).

2⁹⁵⁵⁵⁵⁹ is an apocalyptic number.

955559 is a deficient number, since it is larger than the sum of its proper divisors (86881).

955559 is a wasteful number, since it uses less digits than its factorization.

955559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86880.

The product of its digits is 50625, while the sum is 38.

The square root of 955559 is about 977.5269817248. The cubic root of 955559 is about 98.4961304706.

The spelling of 955559 in words is "nine hundred fifty-five thousand, five hundred fifty-nine".