41550561 has 24 divisors (see below), whose sum is σ = 65257920. Its totient is φ = 25322976.

The previous prime is 41550559. The next prime is 41550563. The reversal of 41550561 is 16505514.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (41550559) and next prime (41550563).

It is not a de Polignac number, because 41550561 - 2¹ = 41550559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41550563) 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 23 ways as a sum of consecutive naturals, for example, 10860 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (2719080).

Almost surely, 2^41550561 is an apocalyptic number.

It is an amenable number.

41550561 is a deficient number, since it is larger than the sum of its proper divisors (23707359).

41550561 is a wasteful number, since it uses less digits than its factorization.

41550561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 41550561 is about 6445.9724634845. The cubic root of 41550561 is about 346.3583249194.

The spelling of 41550561 in words is "forty-one million, five hundred fifty thousand, five hundred sixty-one".