553742857 has 2 divisors, whose sum is σ = 553742858. Its totient is φ = 553742856.

The previous prime is 553742831. The next prime is 553742867. The reversal of 553742857 is 758247355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501267321 + 52475536 = 22389^2 + 7244^2 .

It is a cyclic number.

It is not a de Polignac number, because 553742857 - 2¹¹ = 553740809 is a prime.

It is not a weakly prime, because it can be changed into another prime (553742867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276871428 + 276871429.

It is an arithmetic number, because the mean of its divisors is an integer number (276871429).

Almost surely, 2^553742857 is an apocalyptic number.

It is an amenable number.

553742857 is a deficient number, since it is larger than the sum of its proper divisors (1).

553742857 is an equidigital number, since it uses as much as digits as its factorization.

553742857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 46.

The square root of 553742857 is about 23531.7414782672. The cubic root of 553742857 is about 821.1756174239.

The spelling of 553742857 in words is "five hundred fifty-three million, seven hundred forty-two thousand, eight hundred fifty-seven".