56384513 has 2 divisors, whose sum is σ = 56384514. Its totient is φ = 56384512.

The previous prime is 56384507. The next prime is 56384519. The reversal of 56384513 is 31548365.

It is a balanced prime because it is at equal distance from previous prime (56384507) and next prime (56384519).

It can be written as a sum of positive squares in only one way, i.e., 51940849 + 4443664 = 7207^2 + 2108^2 .

It is a cyclic number.

It is not a de Polignac number, because 56384513 - 2¹⁰ = 56383489 is a prime.

It is not a weakly prime, because it can be changed into another prime (56384519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28192256 + 28192257.

It is an arithmetic number, because the mean of its divisors is an integer number (28192257).

Almost surely, 2^56384513 is an apocalyptic number.

It is an amenable number.

56384513 is a deficient number, since it is larger than the sum of its proper divisors (1).

56384513 is an equidigital number, since it uses as much as digits as its factorization.

56384513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 56384513 is about 7508.9621786236. The cubic root of 56384513 is about 383.4598910835.

The spelling of 56384513 in words is "fifty-six million, three hundred eighty-four thousand, five hundred thirteen".