56209577 has 2 divisors, whose sum is σ = 56209578. Its totient is φ = 56209576.

The previous prime is 56209567. The next prime is 56209607. The reversal of 56209577 is 77590265.

56209577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42784681 + 13424896 = 6541^2 + 3664^2 .

It is a cyclic number.

It is not a de Polignac number, because 56209577 - 2¹² = 56205481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56209507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28104788 + 28104789.

It is an arithmetic number, because the mean of its divisors is an integer number (28104789).

Almost surely, 2^56209577 is an apocalyptic number.

It is an amenable number.

56209577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56209577 is an equidigital number, since it uses as much as digits as its factorization.

56209577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 56209577 is about 7497.3046490055. The cubic root of 56209577 is about 383.0629119023.

The spelling of 56209577 in words is "fifty-six million, two hundred nine thousand, five hundred seventy-seven".