549883971 has 80 divisors (see below), whose sum is σ = 1018459904. Its totient is φ = 289103904.

The previous prime is 549883967. The next prime is 549883981. The reversal of 549883971 is 179388945.

549883971 is a `hidden beast` number, since 5 + 498 + 83 + 9 + 71 = 666.

It is not a de Polignac number, because 549883971 - 2² = 549883967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549883981) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1791000 + ... + 1791306.

Almost surely, 2^549883971 is an apocalyptic number.

549883971 is a deficient number, since it is larger than the sum of its proper divisors (468575933).

549883971 is an frugal number, since it uses more digits than its factorization.

549883971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 330 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 549883971 is about 23449.6049220451. The cubic root of 549883971 is about 819.2636513803.

The spelling of 549883971 in words is "five hundred forty-nine million, eight hundred eighty-three thousand, nine hundred seventy-one".