56544539 has 2 divisors, whose sum is σ = 56544540. Its totient is φ = 56544538.

The previous prime is 56544503. The next prime is 56544569. The reversal of 56544539 is 93544565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56544539 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56544496 and 56544505.

It is not a weakly prime, because it can be changed into another prime (56544569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28272269 + 28272270.

It is an arithmetic number, because the mean of its divisors is an integer number (28272270).

Almost surely, 2^56544539 is an apocalyptic number.

56544539 is a deficient number, since it is larger than the sum of its proper divisors (1).

56544539 is an equidigital number, since it uses as much as digits as its factorization.

56544539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 41.

The square root of 56544539 is about 7519.6102957534. The cubic root of 56544539 is about 383.8223167938.

The spelling of 56544539 in words is "fifty-six million, five hundred forty-four thousand, five hundred thirty-nine".