10550561 has 8 divisors (see below), whose sum is σ = 12177984. Its totient is φ = 8953200.

The previous prime is 10550549. The next prime is 10550563. The reversal of 10550561 is 16505501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10550561 - 2⁶ = 10550497 is a prime.

It is a super-2 number, since 2×10550561² = 222628674829442, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10550563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6755 + ... + 8168.

It is an arithmetic number, because the mean of its divisors is an integer number (1522248).

Almost surely, 2^10550561 is an apocalyptic number.

It is an amenable number.

10550561 is a deficient number, since it is larger than the sum of its proper divisors (1627423).

10550561 is a wasteful number, since it uses less digits than its factorization.

10550561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15031.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 10550561 is about 3248.1627114417. The cubic root of 10550561 is about 219.3268750748.

It can be divided in two parts, 10550 and 561, that added together give a palindrome (11111).

The spelling of 10550561 in words is "ten million, five hundred fifty thousand, five hundred sixty-one".