48564389 has 2 divisors, whose sum is σ = 48564390. Its totient is φ = 48564388.

The previous prime is 48564371. The next prime is 48564391. The reversal of 48564389 is 98346584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30713764 + 17850625 = 5542^2 + 4225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48564389 is a prime.

Together with 48564391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48564689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24282194 + 24282195.

It is an arithmetic number, because the mean of its divisors is an integer number (24282195).

Almost surely, 2^48564389 is an apocalyptic number.

It is an amenable number.

48564389 is a deficient number, since it is larger than the sum of its proper divisors (1).

48564389 is an equidigital number, since it uses as much as digits as its factorization.

48564389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 48564389 is about 6968.8154660602. The cubic root of 48564389 is about 364.8429649119.

The spelling of 48564389 in words is "forty-eight million, five hundred sixty-four thousand, three hundred eighty-nine".