56494289 has 2 divisors, whose sum is σ = 56494290. Its totient is φ = 56494288.

The previous prime is 56494267. The next prime is 56494331. The reversal of 56494289 is 98249465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49561600 + 6932689 = 7040^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 56494289 - 2²⁰ = 55445713 is a prime.

It is not a weakly prime, because it can be changed into another prime (56494219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28247144 + 28247145.

It is an arithmetic number, because the mean of its divisors is an integer number (28247145).

Almost surely, 2^56494289 is an apocalyptic number.

It is an amenable number.

56494289 is a deficient number, since it is larger than the sum of its proper divisors (1).

56494289 is an equidigital number, since it uses as much as digits as its factorization.

56494289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 56494289 is about 7516.2682895171. The cubic root of 56494289 is about 383.7085846933.

The spelling of 56494289 in words is "fifty-six million, four hundred ninety-four thousand, two hundred eighty-nine".