549495428 has 36 divisors (see below), whose sum is σ = 1018367280. Its totient is φ = 259397424.

The previous prime is 549495413. The next prime is 549495433. The reversal of 549495428 is 824594945.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639263 + ... + 640121.

It is an arithmetic number, because the mean of its divisors is an integer number (28287980).

Almost surely, 2^549495428 is an apocalyptic number.

It is an amenable number.

549495428 is a deficient number, since it is larger than the sum of its proper divisors (468871852).

549495428 is a wasteful number, since it uses less digits than its factorization.

549495428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1323 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 549495428 is about 23441.3188195545. The cubic root of 549495428 is about 819.0706445056.

The spelling of 549495428 in words is "five hundred forty-nine million, four hundred ninety-five thousand, four hundred twenty-eight".