53501267308543 has 2 divisors, whose sum is σ = 53501267308544. Its totient is φ = 53501267308542.

The previous prime is 53501267308507. The next prime is 53501267308549. The reversal of 53501267308543 is 34580376210535.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53501267308543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53501267308549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26750633654271 + 26750633654272.

It is an arithmetic number, because the mean of its divisors is an integer number (26750633654272).

Almost surely, 2^{53501267308543} is an apocalyptic number.

53501267308543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53501267308543 is an equidigital number, since it uses as much as digits as its factorization.

53501267308543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 53501267308543 in words is "fifty-three trillion, five hundred one billion, two hundred sixty-seven million, three hundred eight thousand, five hundred forty-three".