99440054 has 16 divisors (see below), whose sum is σ = 171458208. Its totient is φ = 42369792.

The previous prime is 99440041. The next prime is 99440069. The reversal of 99440054 is 45004499.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99439996 and 99440023.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18107 + ... + 22950.

It is an arithmetic number, because the mean of its divisors is an integer number (10716138).

Almost surely, 2^99440054 is an apocalyptic number.

99440054 is a deficient number, since it is larger than the sum of its proper divisors (72018154).

99440054 is a wasteful number, since it uses less digits than its factorization.

99440054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41239.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 99440054 is about 9971.9633974459. The cubic root of 99440054 is about 463.2909149212.

The spelling of 99440054 in words is "ninety-nine million, four hundred forty thousand, fifty-four".