109393550 has 24 divisors (see below), whose sum is σ = 232540176. Its totient is φ = 37506240.

The previous prime is 109393547. The next prime is 109393561. The reversal of 109393550 is 55393901.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 109393550.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 155927 + ... + 156626.

It is an arithmetic number, because the mean of its divisors is an integer number (9689174).

Almost surely, 2^109393550 is an apocalyptic number.

109393550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109393550 is an abundant number, since it is smaller than the sum of its proper divisors (123146626).

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

109393550 is a wasteful number, since it uses less digits than its factorization.

109393550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312572 (or 312567 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 109393550 is about 10459.1371537044. The cubic root of 109393550 is about 478.2598302589.

The spelling of 109393550 in words is "one hundred nine million, three hundred ninety-three thousand, five hundred fifty".