549920242 has 8 divisors (see below), whose sum is σ = 836180316. Its totient is φ = 271193472.

The previous prime is 549920237. The next prime is 549920251. The reversal of 549920242 is 242029945.

549920242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 547606801 + 2313441 = 23401^2 + 1521^2 .

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

It is a super-2 number, since 2×549920242² = 604824545122677128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883143 + ... + 1883434.

Almost surely, 2^549920242 is an apocalyptic number.

549920242 is a deficient number, since it is larger than the sum of its proper divisors (286260074).

549920242 is a wasteful number, since it uses less digits than its factorization.

549920242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766652.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 549920242 is about 23450.3782911918. The cubic root of 549920242 is about 819.2816641855.

The spelling of 549920242 in words is "five hundred forty-nine million, nine hundred twenty thousand, two hundred forty-two".