550568857 has 16 divisors (see below), whose sum is σ = 585792000. Its totient is φ = 516591040.

The previous prime is 550568839. The next prime is 550568903. The reversal of 550568857 is 758865055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 550568857 - 2⁷ = 550568729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550568857.

It is not an unprimeable number, because it can be changed into a prime (550568257) 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 15 ways as a sum of consecutive naturals, for example, 201732 + ... + 204442.

It is an arithmetic number, because the mean of its divisors is an integer number (36612000).

Almost surely, 2^550568857 is an apocalyptic number.

It is an amenable number.

550568857 is a deficient number, since it is larger than the sum of its proper divisors (35223143).

550568857 is a wasteful number, since it uses less digits than its factorization.

550568857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 1680000, while the sum is 49.

The square root of 550568857 is about 23464.2037367561. The cubic root of 550568857 is about 819.6036439624.

The spelling of 550568857 in words is "five hundred fifty million, five hundred sixty-eight thousand, eight hundred fifty-seven".