109809054 has 32 divisors (see below), whose sum is σ = 244392480. Its totient is φ = 36547200.

The previous prime is 109809053. The next prime is 109809059. The reversal of 109809054 is 450908901.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109809053) 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, 49734 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (7637265).

Almost surely, 2^109809054 is an apocalyptic number.

109809054 is an abundant number, since it is smaller than the sum of its proper divisors (134583426).

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

109809054 is a wasteful number, since it uses less digits than its factorization.

109809054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 109809054 is about 10478.9815344813. The cubic root of 109809054 is about 478.8645819633.

The spelling of 109809054 in words is "one hundred nine million, eight hundred nine thousand, fifty-four".