56205641 has 2 divisors, whose sum is σ = 56205642. Its totient is φ = 56205640.

The previous prime is 56205559. The next prime is 56205647. The reversal of 56205641 is 14650265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56190016 + 15625 = 7496^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56205641 is a prime.

It is not a weakly prime, because it can be changed into another prime (56205647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28102820 + 28102821.

It is an arithmetic number, because the mean of its divisors is an integer number (28102821).

Almost surely, 2^56205641 is an apocalyptic number.

It is an amenable number.

56205641 is a deficient number, since it is larger than the sum of its proper divisors (1).

56205641 is an equidigital number, since it uses as much as digits as its factorization.

56205641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 56205641 is about 7497.0421500749. The cubic root of 56205641 is about 383.0539705386.

The spelling of 56205641 in words is "fifty-six million, two hundred five thousand, six hundred forty-one".