551050056 has 48 divisors (see below), whose sum is σ = 1494508860. Its totient is φ = 183427200.

The previous prime is 551050051. The next prime is 551050151. The reversal of 551050056 is 650050155.

It can be written as a sum of positive squares in 2 ways, for example, as 550653156 + 396900 = 23466^2 + 630^2 .

It is not an unprimeable number, because it can be changed into a prime (551050051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50706 + ... + 60606.

Almost surely, 2^551050056 is an apocalyptic number.

It is an amenable number.

551050056 is an abundant number, since it is smaller than the sum of its proper divisors (943458804).

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

551050056 is a wasteful number, since it uses less digits than its factorization.

551050056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686 (or 10679 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 551050056 is about 23474.4553930437. The cubic root of 551050056 is about 819.8423531959.

Subtracting 551050056 from its reverse (650050155), we obtain a palindrome (99000099).

The spelling of 551050056 in words is "five hundred fifty-one million, fifty thousand, fifty-six".