56169199 has 2 divisors, whose sum is σ = 56169200. Its totient is φ = 56169198.

The previous prime is 56169181. The next prime is 56169247. The reversal of 56169199 is 99196165.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56169199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56169599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28084599 + 28084600.

It is an arithmetic number, because the mean of its divisors is an integer number (28084600).

Almost surely, 2^56169199 is an apocalyptic number.

56169199 is a deficient number, since it is larger than the sum of its proper divisors (1).

56169199 is an equidigital number, since it uses as much as digits as its factorization.

56169199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 46.

The square root of 56169199 is about 7494.6113308163. The cubic root of 56169199 is about 382.9711658560.

The spelling of 56169199 in words is "fifty-six million, one hundred sixty-nine thousand, one hundred ninety-nine".