55255083173 has 2 divisors, whose sum is σ = 55255083174. Its totient is φ = 55255083172.

The previous prime is 55255083161. The next prime is 55255083193. The reversal of 55255083173 is 37138055255.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46088361124 + 9166722049 = 214682^2 + 95743^2 .

It is a cyclic number.

It is not a de Polignac number, because 55255083173 - 2⁴ = 55255083157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55255083113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627541586 + 27627541587.

It is an arithmetic number, because the mean of its divisors is an integer number (27627541587).

Almost surely, 2^55255083173 is an apocalyptic number.

It is an amenable number.

55255083173 is a deficient number, since it is larger than the sum of its proper divisors (1).

55255083173 is an equidigital number, since it uses as much as digits as its factorization.

55255083173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 55255083173 in words is "fifty-five billion, two hundred fifty-five million, eighty-three thousand, one hundred seventy-three".