65554045237 has 2 divisors, whose sum is σ = 65554045238. Its totient is φ = 65554045236.

The previous prime is 65554045201. The next prime is 65554045243. The reversal of 65554045237 is 73254045556.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42439708081 + 23114337156 = 206009^2 + 152034^2 .

It is a cyclic number.

It is not a de Polignac number, because 65554045237 - 2²³ = 65545656629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65554045937) 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, 32777022618 + 32777022619.

It is an arithmetic number, because the mean of its divisors is an integer number (32777022619).

Almost surely, 2^65554045237 is an apocalyptic number.

It is an amenable number.

65554045237 is a deficient number, since it is larger than the sum of its proper divisors (1).

65554045237 is an equidigital number, since it uses as much as digits as its factorization.

65554045237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520000, while the sum is 46.

The spelling of 65554045237 in words is "sixty-five billion, five hundred fifty-four million, forty-five thousand, two hundred thirty-seven".