49445563 has 4 divisors (see below), whose sum is σ = 50256208. Its totient is φ = 48634920.

The previous prime is 49445533. The next prime is 49445573. The reversal of 49445563 is 36554494.

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 49445563 - 2⁹ = 49445051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49445533) by changing a digit.

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, 405231 + ... + 405352.

It is an arithmetic number, because the mean of its divisors is an integer number (12564052).

Almost surely, 2^49445563 is an apocalyptic number.

49445563 is a deficient number, since it is larger than the sum of its proper divisors (810645).

49445563 is an equidigital number, since it uses as much as digits as its factorization.

49445563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810644.

The product of its digits is 259200, while the sum is 40.

The square root of 49445563 is about 7031.7539063878. The cubic root of 49445563 is about 367.0363764996.

The spelling of 49445563 in words is "forty-nine million, four hundred forty-five thousand, five hundred sixty-three".