109558089 has 15 divisors (see below), whose sum is σ = 163801693. Its totient is φ = 72975924.

The previous prime is 109558087. The next prime is 109558117. The reversal of 109558089 is 980855901.

The square root of 109558089 is 10467.

It is a perfect power (a square), and thus also a powerful number.

109558089 is a `hidden beast` number, since 10 + 9 + 558 + 0 + 89 = 666.

It is not a de Polignac number, because 109558089 - 2¹ = 109558087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109558087) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 93622 + ... + 94784.

Almost surely, 2^109558089 is an apocalyptic number.

109558089 is the 10467-th square number.

109558089 is the 5234-th centered octagonal number.

It is an amenable number.

109558089 is a deficient number, since it is larger than the sum of its proper divisors (54243604).

109558089 is an frugal number, since it uses more digits than its factorization.

109558089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The cubic root of 109558089 is about 478.4994939117.

Multiplying 109558089 by its product of nonzero digits (129600), we get a square (14198728334400 = 3768120²).

It can be divided in two parts, 10955 and 8089, that added together give a square (19044 = 138²).

The spelling of 109558089 in words is "one hundred nine million, five hundred fifty-eight thousand, eighty-nine".