109089554 has 16 divisors (see below), whose sum is σ = 187258176. Its totient is φ = 46690800.

The previous prime is 109089551. The next prime is 109089613. The reversal of 109089554 is 455980901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109089551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6749 + ... + 16239.

It is an arithmetic number, because the mean of its divisors is an integer number (11703636).

Almost surely, 2^109089554 is an apocalyptic number.

109089554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

109089554 is a deficient number, since it is larger than the sum of its proper divisors (78168622).

109089554 is an equidigital number, since it uses as much as digits as its factorization.

109089554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 109089554 is about 10444.5944871019. The cubic root of 109089554 is about 477.8164038760.

The spelling of 109089554 in words is "one hundred nine million, eighty-nine thousand, five hundred fifty-four".