56199973 has 2 divisors, whose sum is σ = 56199974. Its totient is φ = 56199972.

The previous prime is 56199961. The next prime is 56199991. The reversal of 56199973 is 37999165.

56199973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 21836929 = 5862^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 56199973 - 2²⁵ = 22645541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56199953) 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, 28099986 + 28099987.

It is an arithmetic number, because the mean of its divisors is an integer number (28099987).

Almost surely, 2^56199973 is an apocalyptic number.

It is an amenable number.

56199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

56199973 is an equidigital number, since it uses as much as digits as its factorization.

56199973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 49.

The square root of 56199973 is about 7496.6641247958. The cubic root of 56199973 is about 383.0410938780.

The spelling of 56199973 in words is "fifty-six million, one hundred ninety-nine thousand, nine hundred seventy-three".