56415329 has 2 divisors, whose sum is σ = 56415330. Its totient is φ = 56415328.

The previous prime is 56415323. The next prime is 56415361. The reversal of 56415329 is 92351465.

56415329 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., 52171729 + 4243600 = 7223^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 56415329 - 2²⁴ = 39638113 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56415323) 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, 28207664 + 28207665.

It is an arithmetic number, because the mean of its divisors is an integer number (28207665).

Almost surely, 2^56415329 is an apocalyptic number.

It is an amenable number.

56415329 is a deficient number, since it is larger than the sum of its proper divisors (1).

56415329 is an equidigital number, since it uses as much as digits as its factorization.

56415329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 56415329 is about 7511.0138463459. The cubic root of 56415329 is about 383.5297361958.

The spelling of 56415329 in words is "fifty-six million, four hundred fifteen thousand, three hundred twenty-nine".