56648659 has 2 divisors, whose sum is σ = 56648660. Its totient is φ = 56648658.

The previous prime is 56648639. The next prime is 56648663. The reversal of 56648659 is 95684665.

It is a happy number.

56648659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56648659 - 2¹⁵ = 56615891 is a prime.

It is a super-3 number, since 3×56648659³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (56648639) 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, 28324329 + 28324330.

It is an arithmetic number, because the mean of its divisors is an integer number (28324330).

Almost surely, 2^56648659 is an apocalyptic number.

56648659 is a deficient number, since it is larger than the sum of its proper divisors (1).

56648659 is an equidigital number, since it uses as much as digits as its factorization.

56648659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 49.

The square root of 56648659 is about 7526.5303427277. The cubic root of 56648659 is about 384.0577599566.

The spelling of 56648659 in words is "fifty-six million, six hundred forty-eight thousand, six hundred fifty-nine".