549911133 has 32 divisors (see below), whose sum is σ = 836858880. Its totient is φ = 356695920.

The previous prime is 549911113. The next prime is 549911161. The reversal of 549911133 is 331119945.

It is not a de Polignac number, because 549911133 - 2⁶ = 549911069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549911113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360310 + ... + 361832.

It is an arithmetic number, because the mean of its divisors is an integer number (26151840).

Almost surely, 2^549911133 is an apocalyptic number.

It is an amenable number.

549911133 is a deficient number, since it is larger than the sum of its proper divisors (286947747).

549911133 is a wasteful number, since it uses less digits than its factorization.

549911133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 549911133 is about 23450.1840717722. The cubic root of 549911133 is about 819.2771405733.

The spelling of 549911133 in words is "five hundred forty-nine million, nine hundred eleven thousand, one hundred thirty-three".