41891559 has 4 divisors (see below), whose sum is σ = 55855416. Its totient is φ = 27927704.

The previous prime is 41891543. The next prime is 41891581. The reversal of 41891559 is 95519814.

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

It is a cyclic number.

It is not a de Polignac number, because 41891559 - 2⁴ = 41891543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41891559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41891539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6981924 + ... + 6981929.

It is an arithmetic number, because the mean of its divisors is an integer number (13963854).

Almost surely, 2^41891559 is an apocalyptic number.

41891559 is a deficient number, since it is larger than the sum of its proper divisors (13963857).

41891559 is a wasteful number, since it uses less digits than its factorization.

41891559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963856.

The product of its digits is 64800, while the sum is 42.

The square root of 41891559 is about 6472.3688862734. The cubic root of 41891559 is about 347.3032448970.

The spelling of 41891559 in words is "forty-one million, eight hundred ninety-one thousand, five hundred fifty-nine".