106206553 has 4 divisors (see below), whose sum is σ = 107146548. Its totient is φ = 105266560.

The previous prime is 106206491. The next prime is 106206601. The reversal of 106206553 is 355602601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355602601 = 1151 ⋅308951.

It can be written as a sum of positive squares in 2 ways, for example, as 589824 + 105616729 = 768^2 + 10277^2 .

It is a cyclic number.

It is not a de Polignac number, because 106206553 - 2¹⁷ = 106075481 is a prime.

It is a super-2 number, since 2×106206553² = 22559663800283618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106206253) 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 3 ways as a sum of consecutive naturals, for example, 469828 + ... + 470053.

It is an arithmetic number, because the mean of its divisors is an integer number (26786637).

Almost surely, 2^106206553 is an apocalyptic number.

It is an amenable number.

106206553 is a deficient number, since it is larger than the sum of its proper divisors (939995).

106206553 is an equidigital number, since it uses as much as digits as its factorization.

106206553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939994.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 106206553 is about 10305.6563594950. The cubic root of 106206553 is about 473.5695514179.

The spelling of 106206553 in words is "one hundred six million, two hundred six thousand, five hundred fifty-three".