55255273 has 2 divisors, whose sum is σ = 55255274. Its totient is φ = 55255272.

The previous prime is 55255271. The next prime is 55255283. The reversal of 55255273 is 37255255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 80089 = 7428^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 55255273 - 2¹ = 55255271 is a prime.

Together with 55255271, it forms a pair of twin primes.

It is equal to p_3296563 and since 55255273 and 3296563 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55255271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627636 + 27627637.

It is an arithmetic number, because the mean of its divisors is an integer number (27627637).

Almost surely, 2^55255273 is an apocalyptic number.

It is an amenable number.

55255273 is a deficient number, since it is larger than the sum of its proper divisors (1).

55255273 is an equidigital number, since it uses as much as digits as its factorization.

55255273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52500, while the sum is 34.

The square root of 55255273 is about 7433.3890655609. The cubic root of 55255273 is about 380.8826963941.

The spelling of 55255273 in words is "fifty-five million, two hundred fifty-five thousand, two hundred seventy-three".