53530825987 has 2 divisors, whose sum is σ = 53530825988. Its totient is φ = 53530825986.

The previous prime is 53530825969. The next prime is 53530826077. The reversal of 53530825987 is 78952803535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53530825987 - 2¹¹ = 53530823939 is a prime.

It is not a weakly prime, because it can be changed into another prime (53530825787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26765412993 + 26765412994.

It is an arithmetic number, because the mean of its divisors is an integer number (26765412994).

Almost surely, 2^53530825987 is an apocalyptic number.

53530825987 is a deficient number, since it is larger than the sum of its proper divisors (1).

53530825987 is an equidigital number, since it uses as much as digits as its factorization.

53530825987 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 55.

The spelling of 53530825987 in words is "fifty-three billion, five hundred thirty million, eight hundred twenty-five thousand, nine hundred eighty-seven".