54836389 has 2 divisors, whose sum is σ = 54836390. Its totient is φ = 54836388.

The previous prime is 54836387. The next prime is 54836401. The reversal of 54836389 is 98363845.

54836389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53949025 + 887364 = 7345^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 54836389 - 2¹ = 54836387 is a prime.

Together with 54836387, 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 (54836381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27418194 + 27418195.

It is an arithmetic number, because the mean of its divisors is an integer number (27418195).

Almost surely, 2^54836389 is an apocalyptic number.

It is an amenable number.

54836389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54836389 is an equidigital number, since it uses as much as digits as its factorization.

54836389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 54836389 is about 7405.1596201567. The cubic root of 54836389 is about 379.9177776860.

It can be divided in two parts, 54836 and 389, that added together give a square (55225 = 235²).

The spelling of 54836389 in words is "fifty-four million, eight hundred thirty-six thousand, three hundred eighty-nine".