9995555 has 4 divisors (see below), whose sum is σ = 11994672. Its totient is φ = 7996440.

The previous prime is 9995549. The next prime is 9995563. The reversal of 9995555 is 5555999.

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

It is a de Polignac number, because none of the positive numbers 2^k-9995555 is a prime.

It is a super-2 number, since 2×9995555² = 199822239516050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999551 + ... + 999560.

It is an arithmetic number, because the mean of its divisors is an integer number (2998668).

Almost surely, 2^9995555 is an apocalyptic number.

9995555 is a deficient number, since it is larger than the sum of its proper divisors (1999117).

9995555 is a wasteful number, since it uses less digits than its factorization.

9995555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999116.

The product of its digits is 455625, while the sum is 47.

The square root of 9995555 is about 3161.5747658406. The cubic root of 9995555 is about 215.4115427317.

The spelling of 9995555 in words is "nine million, nine hundred ninety-five thousand, five hundred fifty-five".