109489554 has 24 divisors (see below), whose sum is σ = 251182620. Its totient is φ = 34349568.

The previous prime is 109489553. The next prime is 109489559. The reversal of 109489554 is 455984901.

109489554 is a `hidden beast` number, since 1 + 0 + 94 + 8 + 9 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 103124025 + 6365529 = 10155^2 + 2523^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (109489553) 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 11 ways as a sum of consecutive naturals, for example, 178599 + ... + 179210.

Almost surely, 2^109489554 is an apocalyptic number.

109489554 is an abundant number, since it is smaller than the sum of its proper divisors (141693066).

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

109489554 is a wasteful number, since it uses less digits than its factorization.

109489554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357834 (or 357831 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 109489554 is about 10463.7256271368. The cubic root of 109489554 is about 478.3996966149.

It can be divided in two parts, 10948 and 9554, that added together give a palindrome (20502).

The spelling of 109489554 in words is "one hundred nine million, four hundred eighty-nine thousand, five hundred fifty-four".