53653843 has 2 divisors, whose sum is σ = 53653844. Its totient is φ = 53653842.

The previous prime is 53653823. The next prime is 53653883. The reversal of 53653843 is 34835635.

It is a happy number.

53653843 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 53653843 - 2¹³ = 53645651 is a prime.

It is not a weakly prime, because it can be changed into another prime (53653813) 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, 26826921 + 26826922.

It is an arithmetic number, because the mean of its divisors is an integer number (26826922).

Almost surely, 2^53653843 is an apocalyptic number.

53653843 is a deficient number, since it is larger than the sum of its proper divisors (1).

53653843 is an equidigital number, since it uses as much as digits as its factorization.

53653843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 53653843 is about 7324.8783607648. The cubic root of 53653843 is about 377.1669339774.

The spelling of 53653843 in words is "fifty-three million, six hundred fifty-three thousand, eight hundred forty-three".