65552025589 has 2 divisors, whose sum is σ = 65552025590. Its totient is φ = 65552025588.

The previous prime is 65552025529. The next prime is 65552025607. The reversal of 65552025589 is 98552025556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56331224964 + 9220800625 = 237342^2 + 96025^2 .

It is a cyclic number.

It is not a de Polignac number, because 65552025589 - 2¹¹ = 65552023541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65552025529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32776012794 + 32776012795.

It is an arithmetic number, because the mean of its divisors is an integer number (32776012795).

Almost surely, 2^65552025589 is an apocalyptic number.

It is an amenable number.

65552025589 is a deficient number, since it is larger than the sum of its proper divisors (1).

65552025589 is an equidigital number, since it uses as much as digits as its factorization.

65552025589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400000, while the sum is 52.

The spelling of 65552025589 in words is "sixty-five billion, five hundred fifty-two million, twenty-five thousand, five hundred eighty-nine".