56169671 has 2 divisors, whose sum is σ = 56169672. Its totient is φ = 56169670.

The previous prime is 56169601. The next prime is 56169689. The reversal of 56169671 is 17696165.

56169671 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 a de Polignac number, because none of the positive numbers 2^k-56169671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56169601) 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, 28084835 + 28084836.

It is an arithmetic number, because the mean of its divisors is an integer number (28084836).

Almost surely, 2^56169671 is an apocalyptic number.

56169671 is a deficient number, since it is larger than the sum of its proper divisors (1).

56169671 is an equidigital number, since it uses as much as digits as its factorization.

56169671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 56169671 is about 7494.6428200415. The cubic root of 56169671 is about 382.9722385784.

The spelling of 56169671 in words is "fifty-six million, one hundred sixty-nine thousand, six hundred seventy-one".