63547053553 has 2 divisors, whose sum is σ = 63547053554. Its totient is φ = 63547053552.

The previous prime is 63547053527. The next prime is 63547053569. The reversal of 63547053553 is 35535074536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38225333169 + 25321720384 = 195513^2 + 159128^2 .

It is a cyclic number.

It is not a de Polignac number, because 63547053553 - 2¹³ = 63547045361 is a prime.

It is not a weakly prime, because it can be changed into another prime (63547054553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31773526776 + 31773526777.

It is an arithmetic number, because the mean of its divisors is an integer number (31773526777).

Almost surely, 2^63547053553 is an apocalyptic number.

It is an amenable number.

63547053553 is a deficient number, since it is larger than the sum of its proper divisors (1).

63547053553 is an equidigital number, since it uses as much as digits as its factorization.

63547053553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835000, while the sum is 46.

The spelling of 63547053553 in words is "sixty-three billion, five hundred forty-seven million, fifty-three thousand, five hundred fifty-three".