7955543 has 2 divisors, whose sum is σ = 7955544. Its totient is φ = 7955542.

The previous prime is 7955527. The next prime is 7955551. The reversal of 7955543 is 3455597.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3455597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7955543 - 2⁴ = 7955527 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7955497 and 7955506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7955573) 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, 3977771 + 3977772.

It is an arithmetic number, because the mean of its divisors is an integer number (3977772).

Almost surely, 2^7955543 is an apocalyptic number.

7955543 is a deficient number, since it is larger than the sum of its proper divisors (1).

7955543 is an equidigital number, since it uses as much as digits as its factorization.

7955543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 38.

The square root of 7955543 is about 2820.5572144525. The cubic root of 7955543 is about 199.6288366148.

The spelling of 7955543 in words is "seven million, nine hundred fifty-five thousand, five hundred forty-three".