548467891 has 2 divisors, whose sum is σ = 548467892. Its totient is φ = 548467890.

The previous prime is 548467877. The next prime is 548467919. The reversal of 548467891 is 198764845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 548467891 - 2¹⁵ = 548435123 is a prime.

It is not a weakly prime, because it can be changed into another prime (548467811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274233945 + 274233946.

It is an arithmetic number, because the mean of its divisors is an integer number (274233946).

Almost surely, 2^548467891 is an apocalyptic number.

548467891 is a deficient number, since it is larger than the sum of its proper divisors (1).

548467891 is an equidigital number, since it uses as much as digits as its factorization.

548467891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 52.

The square root of 548467891 is about 23419.3913456349. The cubic root of 548467891 is about 818.5597815703.

The spelling of 548467891 in words is "five hundred forty-eight million, four hundred sixty-seven thousand, eight hundred ninety-one".