56452309 has 2 divisors, whose sum is σ = 56452310. Its totient is φ = 56452308.

The previous prime is 56452283. The next prime is 56452337. The reversal of 56452309 is 90325465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48024900 + 8427409 = 6930^2 + 2903^2 .

It is a cyclic number.

It is not a de Polignac number, because 56452309 - 2¹⁵ = 56419541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56452349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28226154 + 28226155.

It is an arithmetic number, because the mean of its divisors is an integer number (28226155).

Almost surely, 2^56452309 is an apocalyptic number.

It is an amenable number.

56452309 is a deficient number, since it is larger than the sum of its proper divisors (1).

56452309 is an equidigital number, since it uses as much as digits as its factorization.

56452309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 56452309 is about 7513.4751613351. The cubic root of 56452309 is about 383.6135185771.

The spelling of 56452309 in words is "fifty-six million, four hundred fifty-two thousand, three hundred nine".