109430550 has 144 divisors (see below), whose sum is σ = 312792480. Its totient is φ = 27371520.

The previous prime is 109430549. The next prime is 109430551. The reversal of 109430550 is 55034901.

109430550 is a `hidden beast` number, since 109 + 4 + 3 + 0 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (109430549) and next prime (109430551).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109430551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1003896 + ... + 1004004.

It is an arithmetic number, because the mean of its divisors is an integer number (2172170).

Almost surely, 2^109430550 is an apocalyptic number.

109430550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109430550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156396240).

109430550 is an abundant number, since it is smaller than the sum of its proper divisors (203361930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109430550 is a wasteful number, since it uses less digits than its factorization.

109430550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 109430550 is about 10460.9057925210. The cubic root of 109430550 is about 478.3137445254.

The spelling of 109430550 in words is "one hundred nine million, four hundred thirty thousand, five hundred fifty".