550868678 has 4 divisors (see below), whose sum is σ = 826303020. Its totient is φ = 275434338.

The previous prime is 550868677. The next prime is 550868693. The reversal of 550868678 is 876868055.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550868677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137717168 + ... + 137717171.

It is an arithmetic number, because the mean of its divisors is an integer number (206575755).

Almost surely, 2^550868678 is an apocalyptic number.

550868678 is a deficient number, since it is larger than the sum of its proper divisors (275434342).

550868678 is a wasteful number, since it uses less digits than its factorization.

550868678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275434341.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The square root of 550868678 is about 23470.5917692759. The cubic root of 550868678 is about 819.7523930173.

The spelling of 550868678 in words is "five hundred fifty million, eight hundred sixty-eight thousand, six hundred seventy-eight".