56630543 has 2 divisors, whose sum is σ = 56630544. Its totient is φ = 56630542.

The previous prime is 56630503. The next prime is 56630551. The reversal of 56630543 is 34503665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56630543 - 2¹⁶ = 56565007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56630503) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28315271 + 28315272.

It is an arithmetic number, because the mean of its divisors is an integer number (28315272).

Almost surely, 2^56630543 is an apocalyptic number.

56630543 is a deficient number, since it is larger than the sum of its proper divisors (1).

56630543 is an equidigital number, since it uses as much as digits as its factorization.

56630543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 56630543 is about 7525.3267703137. The cubic root of 56630543 is about 384.0168155795.

The spelling of 56630543 in words is "fifty-six million, six hundred thirty thousand, five hundred forty-three".