49910561 has 4 divisors (see below), whose sum is σ = 49934724. Its totient is φ = 49886400.

The previous prime is 49910543. The next prime is 49910563. The reversal of 49910561 is 16501994.

49910561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10923025 + 38987536 = 3305^2 + 6244^2 .

It is a cyclic number.

It is not a de Polignac number, because 49910561 - 2¹⁰ = 49909537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49910563) 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 3 ways as a sum of consecutive naturals, for example, 8660 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (12483681).

Almost surely, 2^49910561 is an apocalyptic number.

It is an amenable number.

49910561 is a deficient number, since it is larger than the sum of its proper divisors (24163).

49910561 is a wasteful number, since it uses less digits than its factorization.

49910561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24162.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 49910561 is about 7064.7406888010. The cubic root of 49910561 is about 368.1833546947.

The spelling of 49910561 in words is "forty-nine million, nine hundred ten thousand, five hundred sixty-one".