63557852543 has 2 divisors, whose sum is σ = 63557852544. Its totient is φ = 63557852542.

The previous prime is 63557852471. The next prime is 63557852593. The reversal of 63557852543 is 34525875536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63557852543 - 2¹⁸ = 63557590399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63557852593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31778926271 + 31778926272.

It is an arithmetic number, because the mean of its divisors is an integer number (31778926272).

Almost surely, 2^63557852543 is an apocalyptic number.

63557852543 is a deficient number, since it is larger than the sum of its proper divisors (1).

63557852543 is an equidigital number, since it uses as much as digits as its factorization.

63557852543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120000, while the sum is 53.

The spelling of 63557852543 in words is "sixty-three billion, five hundred fifty-seven million, eight hundred fifty-two thousand, five hundred forty-three".