49659943 has 2 divisors, whose sum is σ = 49659944. Its totient is φ = 49659942.

The previous prime is 49659899. The next prime is 49659947. The reversal of 49659943 is 34995694.

49659943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49659943 is a prime.

It is a super-2 number, since 2×49659943² = 4932219877526498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49659947) 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, 24829971 + 24829972.

It is an arithmetic number, because the mean of its divisors is an integer number (24829972).

Almost surely, 2^49659943 is an apocalyptic number.

49659943 is a deficient number, since it is larger than the sum of its proper divisors (1).

49659943 is an equidigital number, since it uses as much as digits as its factorization.

49659943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The square root of 49659943 is about 7046.9811266953. The cubic root of 49659943 is about 367.5660621363.

The spelling of 49659943 in words is "forty-nine million, six hundred fifty-nine thousand, nine hundred forty-three".