56864573 has 2 divisors, whose sum is σ = 56864574. Its totient is φ = 56864572.

The previous prime is 56864569. The next prime is 56864623. The reversal of 56864573 is 37546865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 284089 = 7522^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 56864573 - 2² = 56864569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56861573) 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, 28432286 + 28432287.

It is an arithmetic number, because the mean of its divisors is an integer number (28432287).

Almost surely, 2^56864573 is an apocalyptic number.

It is an amenable number.

56864573 is a deficient number, since it is larger than the sum of its proper divisors (1).

56864573 is an equidigital number, since it uses as much as digits as its factorization.

56864573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 56864573 is about 7540.8602294433. The cubic root of 56864573 is about 384.5450813871.

The spelling of 56864573 in words is "fifty-six million, eight hundred sixty-four thousand, five hundred seventy-three".