106550561 has 8 divisors (see below), whose sum is σ = 114852864. Its totient is φ = 98263440.

The previous prime is 106550557. The next prime is 106550573. The reversal of 106550561 is 165055601.

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 106550561 - 2² = 106550557 is a prime.

It is a super-2 number, since 2×106550561² = 22706044098829442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106550501) 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 7 ways as a sum of consecutive naturals, for example, 13856 + ... + 20126.

It is an arithmetic number, because the mean of its divisors is an integer number (14356608).

Almost surely, 2^106550561 is an apocalyptic number.

It is an amenable number.

106550561 is a deficient number, since it is larger than the sum of its proper divisors (8302303).

106550561 is a wasteful number, since it uses less digits than its factorization.

106550561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 106550561 is about 10322.3331180504. Note that the first 3 decimals coincide. The cubic root of 106550561 is about 474.0803050157.

The spelling of 106550561 in words is "one hundred six million, five hundred fifty thousand, five hundred sixty-one".