49943653 has 2 divisors, whose sum is σ = 49943654. Its totient is φ = 49943652.

The previous prime is 49943623. The next prime is 49943659. The reversal of 49943653 is 35634994.

49943653 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 can be written as a sum of positive squares in only one way, i.e., 40985604 + 8958049 = 6402^2 + 2993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49943653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49943659) 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, 24971826 + 24971827.

It is an arithmetic number, because the mean of its divisors is an integer number (24971827).

Almost surely, 2^49943653 is an apocalyptic number.

It is an amenable number.

49943653 is a deficient number, since it is larger than the sum of its proper divisors (1).

49943653 is an equidigital number, since it uses as much as digits as its factorization.

49943653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 43.

The square root of 49943653 is about 7067.0823541261. The cubic root of 49943653 is about 368.2647084307.

The spelling of 49943653 in words is "forty-nine million, nine hundred forty-three thousand, six hundred fifty-three".