54736289 has 2 divisors, whose sum is σ = 54736290. Its totient is φ = 54736288.

The previous prime is 54736273. The next prime is 54736361. The reversal of 54736289 is 98263745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 11505664 = 6575^2 + 3392^2 .

It is a cyclic number.

It is not a de Polignac number, because 54736289 - 2⁴ = 54736273 is a prime.

It is a super-2 number, since 2×54736289² = 5992122666983042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54736219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27368144 + 27368145.

It is an arithmetic number, because the mean of its divisors is an integer number (27368145).

Almost surely, 2^54736289 is an apocalyptic number.

It is an amenable number.

54736289 is a deficient number, since it is larger than the sum of its proper divisors (1).

54736289 is an equidigital number, since it uses as much as digits as its factorization.

54736289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 54736289 is about 7398.3977319417. The cubic root of 54736289 is about 379.6864657539.

The spelling of 54736289 in words is "fifty-four million, seven hundred thirty-six thousand, two hundred eighty-nine".