109240055 has 8 divisors (see below), whose sum is σ = 131748000. Its totient is φ = 86952096.

The previous prime is 109240051. The next prime is 109240057. The reversal of 109240055 is 550042901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109240055 - 2² = 109240051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109240051) 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 7 ways as a sum of consecutive naturals, for example, 53900 + ... + 55889.

It is an arithmetic number, because the mean of its divisors is an integer number (16468500).

Almost surely, 2^109240055 is an apocalyptic number.

109240055 is a deficient number, since it is larger than the sum of its proper divisors (22507945).

109240055 is a wasteful number, since it uses less digits than its factorization.

109240055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109993.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 109240055 is about 10451.7967354900. The cubic root of 109240055 is about 478.0360362764.

Adding to 109240055 its reverse (550042901), we get a palindrome (659282956).

The spelling of 109240055 in words is "one hundred nine million, two hundred forty thousand, fifty-five".