551508648 has 16 divisors (see below), whose sum is σ = 1378771680. Its totient is φ = 183836208.

The previous prime is 551508647. The next prime is 551508653. The reversal of 551508648 is 846805155.

551508648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (551508647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11489740 + ... + 11489787.

It is an arithmetic number, because the mean of its divisors is an integer number (86173230).

Almost surely, 2^551508648 is an apocalyptic number.

It is an amenable number.

551508648 is an abundant number, since it is smaller than the sum of its proper divisors (827263032).

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

551508648 is a wasteful number, since it uses less digits than its factorization.

551508648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22979536 (or 22979532 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 551508648 is about 23484.2212559838. The cubic root of 551508648 is about 820.0697184426.

The spelling of 551508648 in words is "five hundred fifty-one million, five hundred eight thousand, six hundred forty-eight".