49923943 has 2 divisors, whose sum is σ = 49923944. Its totient is φ = 49923942.

The previous prime is 49923859. The next prime is 49923949. The reversal of 49923943 is 34932994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49923943 - 2¹⁷ = 49792871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49923943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49923949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24961971 + 24961972.

It is an arithmetic number, because the mean of its divisors is an integer number (24961972).

Almost surely, 2^49923943 is an apocalyptic number.

49923943 is a deficient number, since it is larger than the sum of its proper divisors (1).

49923943 is an equidigital number, since it uses as much as digits as its factorization.

49923943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 49923943 is about 7065.6877230741. The cubic root of 49923943 is about 368.2162574797.

It can be divided in two parts, 499 and 23943, that added together give a palindrome (24442).

The spelling of 49923943 in words is "forty-nine million, nine hundred twenty-three thousand, nine hundred forty-three".