54187559 has 2 divisors, whose sum is σ = 54187560. Its totient is φ = 54187558.

The previous prime is 54187537. The next prime is 54187603. The reversal of 54187559 is 95578145.

It is an a-pointer prime, because the next prime (54187603) can be obtained adding 54187559 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54187559 - 2⁸ = 54187303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54189559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27093779 + 27093780.

It is an arithmetic number, because the mean of its divisors is an integer number (27093780).

Almost surely, 2^54187559 is an apocalyptic number.

54187559 is a deficient number, since it is larger than the sum of its proper divisors (1).

54187559 is an equidigital number, since it uses as much as digits as its factorization.

54187559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 44.

The square root of 54187559 is about 7361.2199396567. The cubic root of 54187559 is about 378.4134195359.

The spelling of 54187559 in words is "fifty-four million, one hundred eighty-seven thousand, five hundred fifty-nine".