549799611 has 4 divisors (see below), whose sum is σ = 733066152. Its totient is φ = 366533072.

The previous prime is 549799541. The next prime is 549799619. The reversal of 549799611 is 116997945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549799611 - 2²¹ = 547702459 is a prime.

It is a super-2 number, since 2×549799611² = 604559224511502642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (549799619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91633266 + ... + 91633271.

It is an arithmetic number, because the mean of its divisors is an integer number (183266538).

Almost surely, 2^549799611 is an apocalyptic number.

549799611 is a deficient number, since it is larger than the sum of its proper divisors (183266541).

549799611 is a wasteful number, since it uses less digits than its factorization.

549799611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183266540.

The product of its digits is 612360, while the sum is 51.

The square root of 549799611 is about 23447.8061020642. The cubic root of 549799611 is about 819.2217536832.

The spelling of 549799611 in words is "five hundred forty-nine million, seven hundred ninety-nine thousand, six hundred eleven".