55000340077 has 2 divisors, whose sum is σ = 55000340078. Its totient is φ = 55000340076.

The previous prime is 55000340029. The next prime is 55000340081. The reversal of 55000340077 is 77004300055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45374964196 + 9625375881 = 213014^2 + 98109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000340077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55000343077) 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, 27500170038 + 27500170039.

It is an arithmetic number, because the mean of its divisors is an integer number (27500170039).

Almost surely, 2^55000340077 is an apocalyptic number.

It is an amenable number.

55000340077 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000340077 is an equidigital number, since it uses as much as digits as its factorization.

55000340077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 31.

The spelling of 55000340077 in words is "fifty-five billion, three hundred forty thousand, seventy-seven".