55097543 has 2 divisors, whose sum is σ = 55097544. Its totient is φ = 55097542.

The previous prime is 55097531. The next prime is 55097591. The reversal of 55097543 is 34579055.

It is a happy number.

55097543 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 55097543 - 2⁶ = 55097479 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55097497 and 55097506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55097513) 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, 27548771 + 27548772.

It is an arithmetic number, because the mean of its divisors is an integer number (27548772).

Almost surely, 2^55097543 is an apocalyptic number.

55097543 is a deficient number, since it is larger than the sum of its proper divisors (1).

55097543 is an equidigital number, since it uses as much as digits as its factorization.

55097543 is an odious number, because the sum of its binary digits is odd.

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

The square root of 55097543 is about 7422.7719215937. The cubic root of 55097543 is about 380.5199323261.

The spelling of 55097543 in words is "fifty-five million, ninety-seven thousand, five hundred forty-three".