549894931 has 8 divisors (see below), whose sum is σ = 560392704. Its totient is φ = 539445120.

The previous prime is 549894923. The next prime is 549894953. The reversal of 549894931 is 139498945.

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

It is a cyclic number.

It is not a de Polignac number, because 549894931 - 2³ = 549894923 is a prime.

It is a super-2 number, since 2×549894931² = 604768870278989522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549894731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11595 + ... + 35131.

It is an arithmetic number, because the mean of its divisors is an integer number (70049088).

Almost surely, 2^549894931 is an apocalyptic number.

549894931 is a deficient number, since it is larger than the sum of its proper divisors (10497773).

549894931 is a wasteful number, since it uses less digits than its factorization.

549894931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981.

The product of its digits is 1399680, while the sum is 52.

The square root of 549894931 is about 23449.8386135172. The cubic root of 549894931 is about 819.2690943892.

The spelling of 549894931 in words is "five hundred forty-nine million, eight hundred ninety-four thousand, nine hundred thirty-one".