55550938946137 has 2 divisors, whose sum is σ = 55550938946138. Its totient is φ = 55550938946136.

The previous prime is 55550938946119. The next prime is 55550938946147. The reversal of 55550938946137 is 73164983905555.

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., 54643970328336 + 906968617801 = 7392156^2 + 952349^2 .

It is a cyclic number.

It is not a de Polignac number, because 55550938946137 - 2³⁹ = 55001183132249 is a prime.

It is not a weakly prime, because it can be changed into another prime (55550938946147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775469473068 + 27775469473069.

It is an arithmetic number, because the mean of its divisors is an integer number (27775469473069).

Almost surely, 2^{55550938946137} is an apocalyptic number.

It is an amenable number.

55550938946137 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550938946137 is an equidigital number, since it uses as much as digits as its factorization.

55550938946137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360000, while the sum is 70.

The spelling of 55550938946137 in words is "fifty-five trillion, five hundred fifty billion, nine hundred thirty-eight million, nine hundred forty-six thousand, one hundred thirty-seven".