56783611 has 2 divisors, whose sum is σ = 56783612. Its totient is φ = 56783610.

The previous prime is 56783593. The next prime is 56783627. The reversal of 56783611 is 11638765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56783611 - 2⁹ = 56783099 is a prime.

It is not a weakly prime, because it can be changed into another prime (56783651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28391805 + 28391806.

It is an arithmetic number, because the mean of its divisors is an integer number (28391806).

Almost surely, 2^56783611 is an apocalyptic number.

56783611 is a deficient number, since it is larger than the sum of its proper divisors (1).

56783611 is an equidigital number, since it uses as much as digits as its factorization.

56783611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 56783611 is about 7535.4900968683. The cubic root of 56783611 is about 384.3624936200.

The spelling of 56783611 in words is "fifty-six million, seven hundred eighty-three thousand, six hundred eleven".