56434561 has 2 divisors, whose sum is σ = 56434562. Its totient is φ = 56434560.

The previous prime is 56434549. The next prime is 56434597. The reversal of 56434561 is 16543465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 11289600 = 6719^2 + 3360^2 .

It is a cyclic number.

It is not a de Polignac number, because 56434561 - 2⁵ = 56434529 is a prime.

It is not a weakly prime, because it can be changed into another prime (56434061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28217280 + 28217281.

It is an arithmetic number, because the mean of its divisors is an integer number (28217281).

Almost surely, 2^56434561 is an apocalyptic number.

It is an amenable number.

56434561 is a deficient number, since it is larger than the sum of its proper divisors (1).

56434561 is an equidigital number, since it uses as much as digits as its factorization.

56434561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 56434561 is about 7512.2939905198. The cubic root of 56434561 is about 383.5733130392.

The spelling of 56434561 in words is "fifty-six million, four hundred thirty-four thousand, five hundred sixty-one".