49566805 has 4 divisors (see below), whose sum is σ = 59480172. Its totient is φ = 39653440.

The previous prime is 49566779. The next prime is 49566823. The reversal of 49566805 is 50866594.

49566805 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 8427409 + 41139396 = 2903^2 + 6414^2 .

It is not a de Polignac number, because 49566805 - 2¹⁷ = 49435733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4956676 + ... + 4956685.

It is an arithmetic number, because the mean of its divisors is an integer number (14870043).

Almost surely, 2^49566805 is an apocalyptic number.

It is an amenable number.

49566805 is a deficient number, since it is larger than the sum of its proper divisors (9913367).

49566805 is an equidigital number, since it uses as much as digits as its factorization.

49566805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913366.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 49566805 is about 7040.3696635901. The cubic root of 49566805 is about 367.3361263603.

The spelling of 49566805 in words is "forty-nine million, five hundred sixty-six thousand, eight hundred five".