56296661 has 2 divisors, whose sum is σ = 56296662. Its totient is φ = 56296660.

The previous prime is 56296657. The next prime is 56296697. The reversal of 56296661 is 16669265.

56296661 = 5305² + 5306².

56296661 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., 28153636 + 28143025 = 5306^2 + 5305^2 .

It is a cyclic number.

It is not a de Polignac number, because 56296661 - 2² = 56296657 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56296631) 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, 28148330 + 28148331.

It is an arithmetic number, because the mean of its divisors is an integer number (28148331).

Almost surely, 2^56296661 is an apocalyptic number.

56296661 is the 5306-th centered square number.

It is an amenable number.

56296661 is a deficient number, since it is larger than the sum of its proper divisors (1).

56296661 is an equidigital number, since it uses as much as digits as its factorization.

56296661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 56296661 is about 7503.1100884900. The cubic root of 56296661 is about 383.2606328839.

The spelling of 56296661 in words is "fifty-six million, two hundred ninety-six thousand, six hundred sixty-one".