109055500 has 24 divisors (see below), whose sum is σ = 238178304. Its totient is φ = 43622000.

The previous prime is 109055491. The next prime is 109055533. The reversal of 109055500 is 5550901.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108556 + ... + 109555.

It is an arithmetic number, because the mean of its divisors is an integer number (9924096).

Almost surely, 2^109055500 is an apocalyptic number.

109055500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109055500 is an abundant number, since it is smaller than the sum of its proper divisors (129122804).

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

109055500 is a wasteful number, since it uses less digits than its factorization.

109055500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218130 (or 218118 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 109055500 is about 10442.9641385959. The cubic root of 109055500 is about 477.7666794289.

The spelling of 109055500 in words is "one hundred nine million, fifty-five thousand, five hundred".