10555609 has 2 divisors, whose sum is σ = 10555610. Its totient is φ = 10555608.

The previous prime is 10555579. The next prime is 10555613. The reversal of 10555609 is 90655501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9018009 + 1537600 = 3003^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 10555609 - 2⁵ = 10555577 is a prime.

It is a super-2 number, since 2×10555609² = 222841762721762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10555679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277804 + 5277805.

It is an arithmetic number, because the mean of its divisors is an integer number (5277805).

Almost surely, 2^10555609 is an apocalyptic number.

It is an amenable number.

10555609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10555609 is an equidigital number, since it uses as much as digits as its factorization.

10555609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 10555609 is about 3248.9396731857. The cubic root of 10555609 is about 219.3618490614.

The spelling of 10555609 in words is "ten million, five hundred fifty-five thousand, six hundred nine".