53544544544503 has 2 divisors, whose sum is σ = 53544544544504. Its totient is φ = 53544544544502.

The previous prime is 53544544544489. The next prime is 53544544544509. The reversal of 53544544544503 is 30544544544535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53544544544503 - 2¹³ = 53544544536311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53544544544509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772272272251 + 26772272272252.

It is an arithmetic number, because the mean of its divisors is an integer number (26772272272252).

Almost surely, 2^{53544544544503} is an apocalyptic number.

53544544544503 is a deficient number, since it is larger than the sum of its proper divisors (1).

53544544544503 is an equidigital number, since it uses as much as digits as its factorization.

53544544544503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200000, while the sum is 55.

The spelling of 53544544544503 in words is "fifty-three trillion, five hundred forty-four billion, five hundred forty-four million, five hundred forty-four thousand, five hundred three".