109550000 has 120 divisors (see below), whose sum is σ = 304168032. Its totient is φ = 37440000.

The previous prime is 109549987. The next prime is 109550003. The reversal of 109550000 is 55901.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (109550003) 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 23 ways as a sum of consecutive naturals, for example, 349844 + ... + 350156.

Almost surely, 2^109550000 is an apocalyptic number.

109550000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152084016).

109550000 is an abundant number, since it is smaller than the sum of its proper divisors (194618032).

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

109550000 is an frugal number, since it uses more digits than its factorization.

109550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 109550000 is about 10466.6135879758. The cubic root of 109550000 is about 478.4877172743.

The spelling of 109550000 in words is "one hundred nine million, five hundred fifty thousand".