56571041 has 2 divisors, whose sum is σ = 56571042. Its totient is φ = 56571040.

The previous prime is 56571013. The next prime is 56571049. The reversal of 56571041 is 14017565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56325025 + 246016 = 7505^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 56571041 - 2¹⁸ = 56308897 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56570995 and 56571013.

It is not a weakly prime, because it can be changed into another prime (56571049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28285520 + 28285521.

It is an arithmetic number, because the mean of its divisors is an integer number (28285521).

Almost surely, 2^56571041 is an apocalyptic number.

It is an amenable number.

56571041 is a deficient number, since it is larger than the sum of its proper divisors (1).

56571041 is an equidigital number, since it uses as much as digits as its factorization.

56571041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 56571041 is about 7521.3722817050. The cubic root of 56571041 is about 383.8822723053.

The spelling of 56571041 in words is "fifty-six million, five hundred seventy-one thousand, forty-one".