56679169 has 2 divisors, whose sum is σ = 56679170. Its totient is φ = 56679168.

The previous prime is 56679167. The next prime is 56679193. The reversal of 56679169 is 96197665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34963569 + 21715600 = 5913^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 56679169 - 2¹ = 56679167 is a prime.

It is a super-2 number, since 2×56679169² = 6425056397061122, which contains 22 as substring.

Together with 56679167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56679163) 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, 28339584 + 28339585.

It is an arithmetic number, because the mean of its divisors is an integer number (28339585).

Almost surely, 2^56679169 is an apocalyptic number.

It is an amenable number.

56679169 is a deficient number, since it is larger than the sum of its proper divisors (1).

56679169 is an equidigital number, since it uses as much as digits as its factorization.

56679169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 49.

The square root of 56679169 is about 7528.5569002300. The cubic root of 56679169 is about 384.1266965649.

The spelling of 56679169 in words is "fifty-six million, six hundred seventy-nine thousand, one hundred sixty-nine".