55916166073 has 2 divisors, whose sum is σ = 55916166074. Its totient is φ = 55916166072.

The previous prime is 55916166023. The next prime is 55916166079. The reversal of 55916166073 is 37066161955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44340988329 + 11575177744 = 210573^2 + 107588^2 .

It is a cyclic number.

It is not a de Polignac number, because 55916166073 - 2³³ = 47326231481 is a prime.

It is not a weakly prime, because it can be changed into another prime (55916166079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27958083036 + 27958083037.

It is an arithmetic number, because the mean of its divisors is an integer number (27958083037).

Almost surely, 2^55916166073 is an apocalyptic number.

It is an amenable number.

55916166073 is a deficient number, since it is larger than the sum of its proper divisors (1).

55916166073 is an equidigital number, since it uses as much as digits as its factorization.

55916166073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 55916166073 in words is "fifty-five billion, nine hundred sixteen million, one hundred sixty-six thousand, seventy-three".