53815362635543 has 2 divisors, whose sum is σ = 53815362635544. Its totient is φ = 53815362635542.

The previous prime is 53815362635537. The next prime is 53815362635653. The reversal of 53815362635543 is 34553626351835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53815362635543 - 2¹⁴ = 53815362619159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53815362695543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26907681317771 + 26907681317772.

It is an arithmetic number, because the mean of its divisors is an integer number (26907681317772).

Almost surely, 2^{53815362635543} is an apocalyptic number.

53815362635543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53815362635543 is an equidigital number, since it uses as much as digits as its factorization.

53815362635543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640000, while the sum is 59.

The spelling of 53815362635543 in words is "fifty-three trillion, eight hundred fifteen billion, three hundred sixty-two million, six hundred thirty-five thousand, five hundred forty-three".