49773409 has 4 divisors (see below), whose sum is σ = 56883904. Its totient is φ = 42662916.

The previous prime is 49773401. The next prime is 49773419. The reversal of 49773409 is 90437794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49773409 - 2³ = 49773401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49773401) 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, 3555237 + ... + 3555250.

It is an arithmetic number, because the mean of its divisors is an integer number (14220976).

Almost surely, 2^49773409 is an apocalyptic number.

It is an amenable number.

49773409 is a deficient number, since it is larger than the sum of its proper divisors (7110495).

49773409 is an equidigital number, since it uses as much as digits as its factorization.

49773409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110494.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 49773409 is about 7055.0272146888. The cubic root of 49773409 is about 367.8457948158.

The spelling of 49773409 in words is "forty-nine million, seven hundred seventy-three thousand, four hundred nine".