56264191 has 2 divisors, whose sum is σ = 56264192. Its totient is φ = 56264190.

The previous prime is 56264183. The next prime is 56264209. The reversal of 56264191 is 19146265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56264191 - 2³ = 56264183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56264591) 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, 28132095 + 28132096.

It is an arithmetic number, because the mean of its divisors is an integer number (28132096).

Almost surely, 2^56264191 is an apocalyptic number.

56264191 is a deficient number, since it is larger than the sum of its proper divisors (1).

56264191 is an equidigital number, since it uses as much as digits as its factorization.

56264191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 56264191 is about 7500.9460070047. The cubic root of 56264191 is about 383.1869348124.

The spelling of 56264191 in words is "fifty-six million, two hundred sixty-four thousand, one hundred ninety-one".