53919559 has 2 divisors, whose sum is σ = 53919560. Its totient is φ = 53919558.

The previous prime is 53919553. The next prime is 53919577. The reversal of 53919559 is 95591935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53919559 - 2⁵ = 53919527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53919553) 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, 26959779 + 26959780.

It is an arithmetic number, because the mean of its divisors is an integer number (26959780).

Almost surely, 2^53919559 is an apocalyptic number.

53919559 is a deficient number, since it is larger than the sum of its proper divisors (1).

53919559 is an equidigital number, since it uses as much as digits as its factorization.

53919559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 273375, while the sum is 46.

The square root of 53919559 is about 7342.9938717120. The cubic root of 53919559 is about 377.7885377911.

The spelling of 53919559 in words is "fifty-three million, nine hundred nineteen thousand, five hundred fifty-nine".