56754289 has 2 divisors, whose sum is σ = 56754290. Its totient is φ = 56754288.

The previous prime is 56754287. The next prime is 56754307. The reversal of 56754289 is 98245765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 1742400 = 7417^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 56754289 - 2¹ = 56754287 is a prime.

Together with 56754287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56754287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28377144 + 28377145.

It is an arithmetic number, because the mean of its divisors is an integer number (28377145).

Almost surely, 2^56754289 is an apocalyptic number.

It is an amenable number.

56754289 is a deficient number, since it is larger than the sum of its proper divisors (1).

56754289 is an equidigital number, since it uses as much as digits as its factorization.

56754289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 56754289 is about 7533.5442522096. The cubic root of 56754289 is about 384.2963230160.

The spelling of 56754289 in words is "fifty-six million, seven hundred fifty-four thousand, two hundred eighty-nine".