56522563 has 2 divisors, whose sum is σ = 56522564. Its totient is φ = 56522562.

The previous prime is 56522551. The next prime is 56522581. The reversal of 56522563 is 36522565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56522563 - 2²¹ = 54425411 is a prime.

It is not a weakly prime, because it can be changed into another prime (56522593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28261281 + 28261282.

It is an arithmetic number, because the mean of its divisors is an integer number (28261282).

Almost surely, 2^56522563 is an apocalyptic number.

56522563 is a deficient number, since it is larger than the sum of its proper divisors (1).

56522563 is an equidigital number, since it uses as much as digits as its factorization.

56522563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 34.

The square root of 56522563 is about 7518.1489078097. The cubic root of 56522563 is about 383.7725862489.

The spelling of 56522563 in words is "fifty-six million, five hundred twenty-two thousand, five hundred sixty-three".