549740331 has 16 divisors (see below), whose sum is σ = 930777600. Its totient is φ = 314137224.

The previous prime is 549740309. The next prime is 549740353. The reversal of 549740331 is 133047945.

It is an interprime number because it is at equal distance from previous prime (549740309) and next prime (549740353).

It is not a de Polignac number, because 549740331 - 2⁵ = 549740299 is a prime.

It is a super-2 number, since 2×549740331² = 604428863055979122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (549740131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454151 + ... + 1454528.

It is an arithmetic number, because the mean of its divisors is an integer number (58173600).

Almost surely, 2^549740331 is an apocalyptic number.

549740331 is a deficient number, since it is larger than the sum of its proper divisors (381037269).

549740331 is a wasteful number, since it uses less digits than its factorization.

549740331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908695 (or 2908689 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 549740331 is about 23446.5419838406. The cubic root of 549740331 is about 819.1923094941.

The spelling of 549740331 in words is "five hundred forty-nine million, seven hundred forty thousand, three hundred thirty-one".