56169929 has 2 divisors, whose sum is σ = 56169930. Its totient is φ = 56169928.

The previous prime is 56169913. The next prime is 56169937. The reversal of 56169929 is 92996165.

56169929 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 can be written as a sum of positive squares in only one way, i.e., 55472704 + 697225 = 7448^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 56169929 - 2⁴ = 56169913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56168929) 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, 28084964 + 28084965.

It is an arithmetic number, because the mean of its divisors is an integer number (28084965).

Almost surely, 2^56169929 is an apocalyptic number.

It is an amenable number.

56169929 is a deficient number, since it is larger than the sum of its proper divisors (1).

56169929 is an equidigital number, since it uses as much as digits as its factorization.

56169929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 47.

The square root of 56169929 is about 7494.6600323163. The cubic root of 56169929 is about 382.9728249369.

The spelling of 56169929 in words is "fifty-six million, one hundred sixty-nine thousand, nine hundred twenty-nine".