9955455 has 16 divisors (see below), whose sum is σ = 16866144. Its totient is φ = 4997120.

The previous prime is 9955453. The next prime is 9955459. The reversal of 9955455 is 5545599.

It is not a de Polignac number, because 9955455 - 2¹ = 9955453 is a prime.

It is a super-2 number, since 2×9955455² = 198222168514050, which contains 22 as substring.

9955455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19266 + ... + 19775.

It is an arithmetic number, because the mean of its divisors is an integer number (1054134).

Almost surely, 2^9955455 is an apocalyptic number.

9955455 is a deficient number, since it is larger than the sum of its proper divisors (6910689).

9955455 is a wasteful number, since it uses less digits than its factorization.

9955455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39066.

The product of its digits is 202500, while the sum is 42.

The square root of 9955455 is about 3155.2266162670. The cubic root of 9955455 is about 215.1230951853.

The spelling of 9955455 in words is "nine million, nine hundred fifty-five thousand, four hundred fifty-five".