55574303105257 has 2 divisors, whose sum is σ = 55574303105258. Its totient is φ = 55574303105256.

The previous prime is 55574303105249. The next prime is 55574303105281. The reversal of 55574303105257 is 75250130347555.

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., 51751851903376 + 3822451201881 = 7193876^2 + 1955109^2 .

It is a cyclic number.

It is not a de Polignac number, because 55574303105257 - 2³ = 55574303105249 is a prime.

It is not a weakly prime, because it can be changed into another prime (55574303105227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27787151552628 + 27787151552629.

It is an arithmetic number, because the mean of its divisors is an integer number (27787151552629).

Almost surely, 2^{55574303105257} is an apocalyptic number.

It is an amenable number.

55574303105257 is a deficient number, since it is larger than the sum of its proper divisors (1).

55574303105257 is an equidigital number, since it uses as much as digits as its factorization.

55574303105257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025000, while the sum is 52.

The spelling of 55574303105257 in words is "fifty-five trillion, five hundred seventy-four billion, three hundred three million, one hundred five thousand, two hundred fifty-seven".