18089053 has 4 divisors (see below), whose sum is σ = 18193788. Its totient is φ = 17984320.

The previous prime is 18089039. The next prime is 18089081. The reversal of 18089053 is 35098081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11108889 + 6980164 = 3333^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 18089053 - 2⁵ = 18089021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18089023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52108 + ... + 52453.

It is an arithmetic number, because the mean of its divisors is an integer number (4548447).

Almost surely, 2^18089053 is an apocalyptic number.

It is an amenable number.

18089053 is a deficient number, since it is larger than the sum of its proper divisors (104735).

18089053 is a wasteful number, since it uses less digits than its factorization.

18089053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104734.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 18089053 is about 4253.1227351206. The cubic root of 18089053 is about 262.5056228576.

Subtracting 18089053 from its reverse (35098081), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 18089053 in words is "eighteen million, eighty-nine thousand, fifty-three".