49943719 has 4 divisors (see below), whose sum is σ = 57078544. Its totient is φ = 42808896.

The previous prime is 49943711. The next prime is 49943767. The reversal of 49943719 is 91734994.

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 49943719 - 2³ = 49943711 is a prime.

It is a super-2 number, since 2×49943719² = 4988750135101922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49943711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3567402 + ... + 3567415.

It is an arithmetic number, because the mean of its divisors is an integer number (14269636).

Almost surely, 2^49943719 is an apocalyptic number.

49943719 is a deficient number, since it is larger than the sum of its proper divisors (7134825).

49943719 is an equidigital number, since it uses as much as digits as its factorization.

49943719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134824.

The product of its digits is 244944, while the sum is 46.

The square root of 49943719 is about 7067.0870236612. The cubic root of 49943719 is about 368.2648706499.

It can be divided in two parts, 4994371 and 9, that added together give a triangular number (4994380 = T₃₁₆₀).

The spelling of 49943719 in words is "forty-nine million, nine hundred forty-three thousand, seven hundred nineteen".