106553189 has 4 divisors (see below), whose sum is σ = 106586124. Its totient is φ = 106520256.

The previous prime is 106553171. The next prime is 106553261. The reversal of 106553189 is 981355601.

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 31730689 + 74822500 = 5633^2 + 8650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106553189 is a prime.

It is a super-2 number, since 2×106553189² = 22707164172139442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106553149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11012 + ... + 18285.

It is an arithmetic number, because the mean of its divisors is an integer number (26646531).

Almost surely, 2^106553189 is an apocalyptic number.

It is an amenable number.

106553189 is a deficient number, since it is larger than the sum of its proper divisors (32935).

106553189 is an equidigital number, since it uses as much as digits as its factorization.

106553189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32934.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 106553189 is about 10322.4604140680. The cubic root of 106553189 is about 474.0842026107.

The spelling of 106553189 in words is "one hundred six million, five hundred fifty-three thousand, one hundred eighty-nine".