550638056 has 8 divisors (see below), whose sum is σ = 1032446370. Its totient is φ = 275319024.

The previous prime is 550637987. The next prime is 550638059. The reversal of 550638056 is 650836055.

It can be written as a sum of positive squares in only one way, i.e., 542424100 + 8213956 = 23290^2 + 2866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (550638059) 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 as a sum of consecutive naturals, namely, 34414871 + ... + 34414886.

Almost surely, 2^550638056 is an apocalyptic number.

It is an amenable number.

550638056 is a deficient number, since it is larger than the sum of its proper divisors (481808314).

550638056 is a wasteful number, since it uses less digits than its factorization.

550638056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68829763 (or 68829759 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 550638056 is about 23465.6782556993. The cubic root of 550638056 is about 819.6379801923.

The spelling of 550638056 in words is "five hundred fifty million, six hundred thirty-eight thousand, fifty-six".