54638429 has 2 divisors, whose sum is σ = 54638430. Its totient is φ = 54638428.

The previous prime is 54638411. The next prime is 54638431. The reversal of 54638429 is 92483645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 7166329 = 6890^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 54638429 - 2⁸ = 54638173 is a prime.

Together with 54638431, 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 (54638489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27319214 + 27319215.

It is an arithmetic number, because the mean of its divisors is an integer number (27319215).

Almost surely, 2^54638429 is an apocalyptic number.

It is an amenable number.

54638429 is a deficient number, since it is larger than the sum of its proper divisors (1).

54638429 is an equidigital number, since it uses as much as digits as its factorization.

54638429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 54638429 is about 7391.7811791205. The cubic root of 54638429 is about 379.4600572574.

The spelling of 54638429 in words is "fifty-four million, six hundred thirty-eight thousand, four hundred twenty-nine".