49109761 has 4 divisors (see below), whose sum is σ = 51244992. Its totient is φ = 46974532.

The previous prime is 49109743. The next prime is 49109773. The reversal of 49109761 is 16790194.

49109761 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16790194 = 2 ⋅8395097.

It is a cyclic number.

It is not a de Polignac number, because 49109761 - 2⁷ = 49109633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49109761.

It is not an unprimeable number, because it can be changed into a prime (49109701) 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 3 ways as a sum of consecutive naturals, for example, 1067581 + ... + 1067626.

It is an arithmetic number, because the mean of its divisors is an integer number (12811248).

Almost surely, 2^49109761 is an apocalyptic number.

It is an amenable number.

49109761 is a deficient number, since it is larger than the sum of its proper divisors (2135231).

49109761 is a wasteful number, since it uses less digits than its factorization.

49109761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135230.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 49109761 is about 7007.8356858591. The cubic root of 49109761 is about 366.2035978907.

The spelling of 49109761 in words is "forty-nine million, one hundred nine thousand, seven hundred sixty-one".