548340553 has 2 divisors, whose sum is σ = 548340554. Its totient is φ = 548340552.

The previous prime is 548340521. The next prime is 548340571. The reversal of 548340553 is 355043845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530473024 + 17867529 = 23032^2 + 4227^2 .

It is a cyclic number.

It is not a de Polignac number, because 548340553 - 2⁵ = 548340521 is a prime.

It is not a weakly prime, because it can be changed into another prime (548340053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274170276 + 274170277.

It is an arithmetic number, because the mean of its divisors is an integer number (274170277).

Almost surely, 2^548340553 is an apocalyptic number.

It is an amenable number.

548340553 is a deficient number, since it is larger than the sum of its proper divisors (1).

548340553 is an equidigital number, since it uses as much as digits as its factorization.

548340553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 548340553 is about 23416.6725432970. The cubic root of 548340553 is about 818.4964282213.

The spelling of 548340553 in words is "five hundred forty-eight million, three hundred forty thousand, five hundred fifty-three".