549458657 has 8 divisors (see below), whose sum is σ = 600698592. Its totient is φ = 498433600.

The previous prime is 549458641. The next prime is 549458699. The reversal of 549458657 is 756854945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549458657 - 2⁴ = 549458641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549458599 and 549458608.

It is not an unprimeable number, because it can be changed into a prime (549458627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48344 + ... + 58617.

It is an arithmetic number, because the mean of its divisors is an integer number (75087324).

Almost surely, 2^549458657 is an apocalyptic number.

It is an amenable number.

549458657 is a deficient number, since it is larger than the sum of its proper divisors (51239935).

549458657 is a wasteful number, since it uses less digits than its factorization.

549458657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107439.

The product of its digits is 6048000, while the sum is 53.

The square root of 549458657 is about 23440.5344862271. The cubic root of 549458657 is about 819.0523739753.

The spelling of 549458657 in words is "five hundred forty-nine million, four hundred fifty-eight thousand, six hundred fifty-seven".