99455955 has 16 divisors (see below), whose sum is σ = 163011744. Its totient is φ = 51749120.

The previous prime is 99455929. The next prime is 99455957. The reversal of 99455955 is 55955499.

It is not a de Polignac number, because 99455955 - 2⁶ = 99455891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99455898 and 99455907.

It is not an unprimeable number, because it can be changed into a prime (99455957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80244 + ... + 81473.

It is an arithmetic number, because the mean of its divisors is an integer number (10188234).

Almost surely, 2^99455955 is an apocalyptic number.

99455955 is a deficient number, since it is larger than the sum of its proper divisors (63555789).

99455955 is a wasteful number, since it uses less digits than its factorization.

99455955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161766.

The product of its digits is 1822500, while the sum is 51.

The square root of 99455955 is about 9972.7606508930. The cubic root of 99455955 is about 463.3156078423.

It can be divided in two parts, 994559 and 55, that multiplied together give a palindrome (54700745).

The spelling of 99455955 in words is "ninety-nine million, four hundred fifty-five thousand, nine hundred fifty-five".