56420183 has 2 divisors, whose sum is σ = 56420184. Its totient is φ = 56420182.

The previous prime is 56420149. The next prime is 56420213. The reversal of 56420183 is 38102465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56420183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56420083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28210091 + 28210092.

It is an arithmetic number, because the mean of its divisors is an integer number (28210092).

Almost surely, 2^56420183 is an apocalyptic number.

56420183 is a deficient number, since it is larger than the sum of its proper divisors (1).

56420183 is an equidigital number, since it uses as much as digits as its factorization.

56420183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 56420183 is about 7511.3369648818. The cubic root of 56420183 is about 383.5407355700.

The spelling of 56420183 in words is "fifty-six million, four hundred twenty thousand, one hundred eighty-three".