49990943 has 2 divisors, whose sum is σ = 49990944. Its totient is φ = 49990942.

The previous prime is 49990921. The next prime is 49990951. The reversal of 49990943 is 34909994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49990943 - 2¹² = 49986847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49990973) 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, 24995471 + 24995472.

It is an arithmetic number, because the mean of its divisors is an integer number (24995472).

Almost surely, 2^49990943 is an apocalyptic number.

49990943 is a deficient number, since it is larger than the sum of its proper divisors (1).

49990943 is an equidigital number, since it uses as much as digits as its factorization.

49990943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 49990943 is about 7070.4273562494. The cubic root of 49990943 is about 368.3809043386.

The spelling of 49990943 in words is "forty-nine million, nine hundred ninety thousand, nine hundred forty-three".