9955499 has 2 divisors, whose sum is σ = 9955500. Its totient is φ = 9955498.

The previous prime is 9955471. The next prime is 9955507. The reversal of 9955499 is 9945599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9955499 - 2⁸ = 9955243 is a prime.

It is a super-2 number, since 2×9955499² = 198223920678002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9955459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977749 + 4977750.

It is an arithmetic number, because the mean of its divisors is an integer number (4977750).

Almost surely, 2^9955499 is an apocalyptic number.

9955499 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955499 is an equidigital number, since it uses as much as digits as its factorization.

9955499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 656100, while the sum is 50.

The square root of 9955499 is about 3155.2335888172. The cubic root of 9955499 is about 215.1234121104.

The spelling of 9955499 in words is "nine million, nine hundred fifty-five thousand, four hundred ninety-nine".