54115559 has 2 divisors, whose sum is σ = 54115560. Its totient is φ = 54115558.

The previous prime is 54115541. The next prime is 54115577. The reversal of 54115559 is 95551145.

It is a balanced prime because it is at equal distance from previous prime (54115541) and next prime (54115577).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54115559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54115519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27057779 + 27057780.

It is an arithmetic number, because the mean of its divisors is an integer number (27057780).

Almost surely, 2^54115559 is an apocalyptic number.

54115559 is a deficient number, since it is larger than the sum of its proper divisors (1).

54115559 is an equidigital number, since it uses as much as digits as its factorization.

54115559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22500, while the sum is 35.

The square root of 54115559 is about 7356.3278203190. The cubic root of 54115559 is about 378.2457436405.

The spelling of 54115559 in words is "fifty-four million, one hundred fifteen thousand, five hundred fifty-nine".