56002543 has 2 divisors, whose sum is σ = 56002544. Its totient is φ = 56002542.

The previous prime is 56002517. The next prime is 56002549. The reversal of 56002543 is 34520065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56002543 - 2²¹ = 53905391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56002549) 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, 28001271 + 28001272.

It is an arithmetic number, because the mean of its divisors is an integer number (28001272).

Almost surely, 2^56002543 is an apocalyptic number.

56002543 is a deficient number, since it is larger than the sum of its proper divisors (1).

56002543 is an equidigital number, since it uses as much as digits as its factorization.

56002543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 56002543 is about 7483.4846829535. The cubic root of 56002543 is about 382.5920276382.

The spelling of 56002543 in words is "fifty-six million, two thousand, five hundred forty-three".