56135641 has 2 divisors, whose sum is σ = 56135642. Its totient is φ = 56135640.

The previous prime is 56135621. The next prime is 56135647. The reversal of 56135641 is 14653165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 1449616 = 7395^2 + 1204^2 .

It is a cyclic number.

It is not a de Polignac number, because 56135641 - 2⁹ = 56135129 is a prime.

It is not a weakly prime, because it can be changed into another prime (56135647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28067820 + 28067821.

It is an arithmetic number, because the mean of its divisors is an integer number (28067821).

Almost surely, 2^56135641 is an apocalyptic number.

It is an amenable number.

56135641 is a deficient number, since it is larger than the sum of its proper divisors (1).

56135641 is an equidigital number, since it uses as much as digits as its factorization.

56135641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 56135641 is about 7492.3721877654. The cubic root of 56135641 is about 382.8948826090.

The spelling of 56135641 in words is "fifty-six million, one hundred thirty-five thousand, six hundred forty-one".