41557 has 4 divisors (see below), whose sum is σ = 43020. Its totient is φ = 40096.

The previous prime is 41549. The next prime is 41579. The reversal of 41557 is 75514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28561 + 12996 = 169^2 + 114^2 .

It is a cyclic number.

It is not a de Polignac number, because 41557 - 2³ = 41549 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 41557.

It is not an unprimeable number, because it can be changed into a prime (41507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688 + ... + 745.

It is an arithmetic number, because the mean of its divisors is an integer number (10755).

2⁴¹⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

41557 is a deficient number, since it is larger than the sum of its proper divisors (1463).

41557 is a wasteful number, since it uses less digits than its factorization.

41557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its digits is 700, while the sum is 22.

The square root of 41557 is about 203.8553408670. The cubic root of 41557 is about 34.6376215461.

The spelling of 41557 in words is "forty-one thousand, five hundred fifty-seven".