49940043 has 4 divisors (see below), whose sum is σ = 66586728. Its totient is φ = 33293360.

The previous prime is 49940027. The next prime is 49940057. The reversal of 49940043 is 34004994.

It is a happy number.

49940043 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.

It is a cyclic number.

It is not a de Polignac number, because 49940043 - 2⁴ = 49940027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49939986 and 49940013.

It is not an unprimeable number, because it can be changed into a prime (49941043) 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, 8323338 + ... + 8323343.

It is an arithmetic number, because the mean of its divisors is an integer number (16646682).

Almost surely, 2^49940043 is an apocalyptic number.

49940043 is a deficient number, since it is larger than the sum of its proper divisors (16646685).

49940043 is a wasteful number, since it uses less digits than its factorization.

49940043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16646684.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 49940043 is about 7066.8269400064. The cubic root of 49940043 is about 368.2558353137.

The spelling of 49940043 in words is "forty-nine million, nine hundred forty thousand, forty-three".