54136559 has 2 divisors, whose sum is σ = 54136560. Its totient is φ = 54136558.

The previous prime is 54136541. The next prime is 54136597. The reversal of 54136559 is 95563145.

It is an a-pointer prime, because the next prime (54136597) can be obtained adding 54136559 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54136559 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54138559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27068279 + 27068280.

It is an arithmetic number, because the mean of its divisors is an integer number (27068280).

Almost surely, 2^54136559 is an apocalyptic number.

54136559 is a deficient number, since it is larger than the sum of its proper divisors (1).

54136559 is an equidigital number, since it uses as much as digits as its factorization.

54136559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 54136559 is about 7357.7550244623. The cubic root of 54136559 is about 378.2946644654.

The spelling of 54136559 in words is "fifty-four million, one hundred thirty-six thousand, five hundred fifty-nine".