56853169 has 2 divisors, whose sum is σ = 56853170. Its totient is φ = 56853168.

The previous prime is 56853133. The next prime is 56853191. The reversal of 56853169 is 96135865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30382144 + 26471025 = 5512^2 + 5145^2 .

It is a cyclic number.

It is not a de Polignac number, because 56853169 - 2¹⁷ = 56722097 is a prime.

It is a super-2 number, since 2×56853169² = 6464565650685122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56853109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28426584 + 28426585.

It is an arithmetic number, because the mean of its divisors is an integer number (28426585).

Almost surely, 2^56853169 is an apocalyptic number.

It is an amenable number.

56853169 is a deficient number, since it is larger than the sum of its proper divisors (1).

56853169 is an equidigital number, since it uses as much as digits as its factorization.

56853169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 56853169 is about 7540.1040443750. The cubic root of 56853169 is about 384.5193732583.

The spelling of 56853169 in words is "fifty-six million, eight hundred fifty-three thousand, one hundred sixty-nine".