52537517663 has 2 divisors, whose sum is σ = 52537517664. Its totient is φ = 52537517662.

The previous prime is 52537517653. The next prime is 52537517713. The reversal of 52537517663 is 36671573525.

It is an a-pointer prime, because the next prime (52537517713) can be obtained adding 52537517663 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52537517663 - 2⁸ = 52537517407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52537517653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26268758831 + 26268758832.

It is an arithmetic number, because the mean of its divisors is an integer number (26268758832).

Almost surely, 2^52537517663 is an apocalyptic number.

52537517663 is a deficient number, since it is larger than the sum of its proper divisors (1).

52537517663 is an equidigital number, since it uses as much as digits as its factorization.

52537517663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 50.

The spelling of 52537517663 in words is "fifty-two billion, five hundred thirty-seven million, five hundred seventeen thousand, six hundred sixty-three".