49644799 has 4 divisors (see below), whose sum is σ = 49675336. Its totient is φ = 49614264.

The previous prime is 49644797. The next prime is 49644821. The reversal of 49644799 is 99744694.

It is a happy number.

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 49644799 - 2¹ = 49644797 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 (49644797) 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, 12684 + ... + 16129.

It is an arithmetic number, because the mean of its divisors is an integer number (12418834).

Almost surely, 2^49644799 is an apocalyptic number.

49644799 is a deficient number, since it is larger than the sum of its proper divisors (30537).

49644799 is a wasteful number, since it uses less digits than its factorization.

49644799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30536.

The product of its digits is 1959552, while the sum is 52.

The square root of 49644799 is about 7045.9065420995. The cubic root of 49644799 is about 367.5286947530.

The spelling of 49644799 in words is "forty-nine million, six hundred forty-four thousand, seven hundred ninety-nine".