65554002061 has 2 divisors, whose sum is σ = 65554002062. Its totient is φ = 65554002060.

The previous prime is 65554002029. The next prime is 65554002083. The reversal of 65554002061 is 16020045556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63292999561 + 2261002500 = 251581^2 + 47550^2 .

It is a cyclic number.

It is not a de Polignac number, because 65554002061 - 2⁵ = 65554002029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65554002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32777001030 + 32777001031.

It is an arithmetic number, because the mean of its divisors is an integer number (32777001031).

Almost surely, 2^65554002061 is an apocalyptic number.

It is an amenable number.

65554002061 is a deficient number, since it is larger than the sum of its proper divisors (1).

65554002061 is an equidigital number, since it uses as much as digits as its factorization.

65554002061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 65554002061 in words is "sixty-five billion, five hundred fifty-four million, two thousand, sixty-one".