10566553 has 2 divisors, whose sum is σ = 10566554. Its totient is φ = 10566552.

The previous prime is 10566541. The next prime is 10566583. The reversal of 10566553 is 35566501.

10566553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 345744 = 3197^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 10566553 - 2²¹ = 8469401 is a prime.

It is a super-2 number, since 2×10566553² = 223304084603618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10566533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5283276 + 5283277.

It is an arithmetic number, because the mean of its divisors is an integer number (5283277).

Almost surely, 2^10566553 is an apocalyptic number.

It is an amenable number.

10566553 is a deficient number, since it is larger than the sum of its proper divisors (1).

10566553 is an equidigital number, since it uses as much as digits as its factorization.

10566553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 10566553 is about 3250.6234786576. The cubic root of 10566553 is about 219.4376339475.

The spelling of 10566553 in words is "ten million, five hundred sixty-six thousand, five hundred fifty-three".