49943623 has 2 divisors, whose sum is σ = 49943624. Its totient is φ = 49943622.

The previous prime is 49943611. The next prime is 49943653. The reversal of 49943623 is 32634994.

49943623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49943623 - 2⁹ = 49943111 is a prime.

It is a super-2 number, since 2×49943623² = 4988730956732258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49943653) 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 as a sum of consecutive naturals, namely, 24971811 + 24971812.

It is an arithmetic number, because the mean of its divisors is an integer number (24971812).

Almost surely, 2^49943623 is an apocalyptic number.

49943623 is a deficient number, since it is larger than the sum of its proper divisors (1).

49943623 is an equidigital number, since it uses as much as digits as its factorization.

49943623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 49943623 is about 7067.0802316091. The cubic root of 49943623 is about 368.2646346947.

The spelling of 49943623 in words is "forty-nine million, nine hundred forty-three thousand, six hundred twenty-three".