56435543 has 2 divisors, whose sum is σ = 56435544. Its totient is φ = 56435542.

The previous prime is 56435521. The next prime is 56435551. The reversal of 56435543 is 34553465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56435543 - 2⁸ = 56435287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56435573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28217771 + 28217772.

It is an arithmetic number, because the mean of its divisors is an integer number (28217772).

Almost surely, 2^56435543 is an apocalyptic number.

56435543 is a deficient number, since it is larger than the sum of its proper divisors (1).

56435543 is an equidigital number, since it uses as much as digits as its factorization.

56435543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 35.

The square root of 56435543 is about 7512.3593497649. The cubic root of 56435543 is about 383.5755378391.

The spelling of 56435543 in words is "fifty-six million, four hundred thirty-five thousand, five hundred forty-three".