109550055 has 16 divisors (see below), whose sum is σ = 175410144. Its totient is φ = 58383360.

The previous prime is 109550039. The next prime is 109550059. The reversal of 109550055 is 550055901.

It is not a de Polignac number, because 109550055 - 2⁴ = 109550039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109550059) 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, 36367 + ... + 39263.

It is an arithmetic number, because the mean of its divisors is an integer number (10963134).

Almost surely, 2^109550055 is an apocalyptic number.

109550055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109550055 is a deficient number, since it is larger than the sum of its proper divisors (65860089).

109550055 is a wasteful number, since it uses less digits than its factorization.

109550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426.

The product of its (nonzero) digits is 5625, while the sum is 30.

The square root of 109550055 is about 10466.6162153773. The cubic root of 109550055 is about 478.4877973498.

It can be divided in two parts, 109 and 550055, that multiplied together give a palindrome (59955995).

The spelling of 109550055 in words is "one hundred nine million, five hundred fifty thousand, fifty-five".