548788957 has 2 divisors, whose sum is σ = 548788958. Its totient is φ = 548788956.

The previous prime is 548788931. The next prime is 548788969. The reversal of 548788957 is 759887845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347971716 + 200817241 = 18654^2 + 14171^2 .

It is a cyclic number.

It is not a de Polignac number, because 548788957 - 2⁷ = 548788829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548788895 and 548788904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548788997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274394478 + 274394479.

It is an arithmetic number, because the mean of its divisors is an integer number (274394479).

Almost surely, 2^548788957 is an apocalyptic number.

It is an amenable number.

548788957 is a deficient number, since it is larger than the sum of its proper divisors (1).

548788957 is an equidigital number, since it uses as much as digits as its factorization.

548788957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22579200, while the sum is 61.

The square root of 548788957 is about 23426.2450469553. The cubic root of 548788957 is about 818.7194751784.

The spelling of 548788957 in words is "five hundred forty-eight million, seven hundred eighty-eight thousand, nine hundred fifty-seven".