255055447 has 2 divisors, whose sum is σ = 255055448. Its totient is φ = 255055446.

The previous prime is 255055421. The next prime is 255055453. The reversal of 255055447 is 744550552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255055447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255055247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127527723 + 127527724.

It is an arithmetic number, because the mean of its divisors is an integer number (127527724).

Almost surely, 2^255055447 is an apocalyptic number.

255055447 is a deficient number, since it is larger than the sum of its proper divisors (1).

255055447 is an equidigital number, since it uses as much as digits as its factorization.

255055447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140000, while the sum is 37.

The square root of 255055447 is about 15970.4554412202. The cubic root of 255055447 is about 634.1785289705.

The spelling of 255055447 in words is "two hundred fifty-five million, fifty-five thousand, four hundred forty-seven".