56233169 has 2 divisors, whose sum is σ = 56233170. Its totient is φ = 56233168.

The previous prime is 56233153. The next prime is 56233171. The reversal of 56233169 is 96133265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 506944 = 7465^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 56233169 - 2⁴ = 56233153 is a prime.

It is a super-2 number, since 2×56233169² = 6324338591565122, which contains 22 as substring.

Together with 56233171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56233109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28116584 + 28116585.

It is an arithmetic number, because the mean of its divisors is an integer number (28116585).

Almost surely, 2^56233169 is an apocalyptic number.

It is an amenable number.

56233169 is a deficient number, since it is larger than the sum of its proper divisors (1).

56233169 is an equidigital number, since it uses as much as digits as its factorization.

56233169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 35.

The square root of 56233169 is about 7498.8778493852. The cubic root of 56233169 is about 383.1164968170.

The spelling of 56233169 in words is "fifty-six million, two hundred thirty-three thousand, one hundred sixty-nine".