49775749 has 8 divisors (see below), whose sum is σ = 52056000. Its totient is φ = 47505216.

The previous prime is 49775723. The next prime is 49775771. The reversal of 49775749 is 94757794.

49775749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49775749 - 2⁵ = 49775717 is a prime.

It is a super-2 number, since 2×49775749² = 4955250377022002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49775696 and 49775705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49775149) 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 7 ways as a sum of consecutive naturals, for example, 9309 + ... + 13645.

It is an arithmetic number, because the mean of its divisors is an integer number (6507000).

Almost surely, 2^49775749 is an apocalyptic number.

It is an amenable number.

49775749 is a deficient number, since it is larger than the sum of its proper divisors (2280251).

49775749 is a wasteful number, since it uses less digits than its factorization.

49775749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859.

The product of its digits is 2222640, while the sum is 52.

The square root of 49775749 is about 7055.1930519299. The cubic root of 49775749 is about 367.8515592436.

The spelling of 49775749 in words is "forty-nine million, seven hundred seventy-five thousand, seven hundred forty-nine".