54435439 has 2 divisors, whose sum is σ = 54435440. Its totient is φ = 54435438.

The previous prime is 54435421. The next prime is 54435517. The reversal of 54435439 is 93453445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54435439 - 2¹¹ = 54433391 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54435398 and 54435407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54435239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27217719 + 27217720.

It is an arithmetic number, because the mean of its divisors is an integer number (27217720).

Almost surely, 2^54435439 is an apocalyptic number.

54435439 is a deficient number, since it is larger than the sum of its proper divisors (1).

54435439 is an equidigital number, since it uses as much as digits as its factorization.

54435439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 37.

The square root of 54435439 is about 7378.0376117231. The cubic root of 54435439 is about 378.9895570114.

The spelling of 54435439 in words is "fifty-four million, four hundred thirty-five thousand, four hundred thirty-nine".