56624242729 has 2 divisors, whose sum is σ = 56624242730. Its totient is φ = 56624242728.

The previous prime is 56624242673. The next prime is 56624242739. The reversal of 56624242729 is 92724242665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33007622400 + 23616620329 = 181680^2 + 153677^2 .

It is a cyclic number.

It is not a de Polignac number, because 56624242729 - 2²³ = 56615854121 is a prime.

It is not a weakly prime, because it can be changed into another prime (56624242739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28312121364 + 28312121365.

It is an arithmetic number, because the mean of its divisors is an integer number (28312121365).

Almost surely, 2^56624242729 is an apocalyptic number.

It is an amenable number.

56624242729 is a deficient number, since it is larger than the sum of its proper divisors (1).

56624242729 is an equidigital number, since it uses as much as digits as its factorization.

56624242729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 49.

The spelling of 56624242729 in words is "fifty-six billion, six hundred twenty-four million, two hundred forty-two thousand, seven hundred twenty-nine".