549988056 has 40 divisors (see below), whose sum is σ = 1540477620. Its totient is φ = 183329136.

The previous prime is 549988051. The next prime is 549988057. The reversal of 549988056 is 650889945.

It is a happy number.

549988056 is a `hidden beast` number, since 549 + 98 + 8 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 549987993 and 549988011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549988051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 423726 + ... + 425021.

Almost surely, 2^549988056 is an apocalyptic number.

It is an amenable number.

549988056 is an abundant number, since it is smaller than the sum of its proper divisors (990489564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549988056 is a wasteful number, since it uses less digits than its factorization.

549988056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848765 (or 848752 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 549988056 is about 23451.8241507990. The cubic root of 549988056 is about 819.3153396648.

The spelling of 549988056 in words is "five hundred forty-nine million, nine hundred eighty-eight thousand, fifty-six".