548361466 has 4 divisors (see below), whose sum is σ = 822542202. Its totient is φ = 274180732.

The previous prime is 548361461. The next prime is 548361509. The reversal of 548361466 is 664163845.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664163845 = 5 ⋅132832769.

It can be written as a sum of positive squares in only one way, i.e., 532640241 + 15721225 = 23079^2 + 3965^2 .

It is not an unprimeable number, because it can be changed into a prime (548361461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137090365 + ... + 137090368.

Almost surely, 2^548361466 is an apocalyptic number.

548361466 is a deficient number, since it is larger than the sum of its proper divisors (274180736).

548361466 is a wasteful number, since it uses less digits than its factorization.

548361466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274180735.

The product of its digits is 414720, while the sum is 43.

The square root of 548361466 is about 23417.1190798527. The cubic root of 548361466 is about 818.5068335544.

The spelling of 548361466 in words is "five hundred forty-eight million, three hundred sixty-one thousand, four hundred sixty-six".