548909047 has 2 divisors, whose sum is σ = 548909048. Its totient is φ = 548909046.

The previous prime is 548909041. The next prime is 548909059. The reversal of 548909047 is 740909845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 548909047 - 2²³ = 540520439 is a prime.

It is a super-2 number, since 2×548909047² = 602602283756896418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 548908988 and 548909006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548909041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274454523 + 274454524.

It is an arithmetic number, because the mean of its divisors is an integer number (274454524).

Almost surely, 2^548909047 is an apocalyptic number.

548909047 is a deficient number, since it is larger than the sum of its proper divisors (1).

548909047 is an equidigital number, since it uses as much as digits as its factorization.

548909047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 548909047 is about 23428.8080576029. The cubic root of 548909047 is about 818.7791902108.

The spelling of 548909047 in words is "five hundred forty-eight million, nine hundred nine thousand, forty-seven".