49659541 has 4 divisors (see below), whose sum is σ = 49731084. Its totient is φ = 49588000.

The previous prime is 49659509. The next prime is 49659583. The reversal of 49659541 is 14595694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14595694 = 2 ⋅7297847.

It can be written as a sum of positive squares in 2 ways, for example, as 34222500 + 15437041 = 5850^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 49659541 - 2⁵ = 49659509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49659041) by changing a digit.

It is a nontrivial repunit in base 19.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34720 + ... + 36121.

It is an arithmetic number, because the mean of its divisors is an integer number (12432771).

Almost surely, 2^49659541 is an apocalyptic number.

It is an amenable number.

49659541 is a deficient number, since it is larger than the sum of its proper divisors (71543).

49659541 is an equidigital number, since it uses as much as digits as its factorization.

49659541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71542.

The product of its digits is 194400, while the sum is 43.

The square root of 49659541 is about 7046.9526037856. The cubic root of 49659541 is about 367.5650703110.

The spelling of 49659541 in words is "forty-nine million, six hundred fifty-nine thousand, five hundred forty-one".