550423678 has 16 divisors (see below), whose sum is σ = 951936480. Its totient is φ = 233807616.

The previous prime is 550423633. The next prime is 550423681. The reversal of 550423678 is 876324055.

It is a self number, because there is not a number n which added to its sum of digits gives 550423678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172383 + ... + 175546.

It is an arithmetic number, because the mean of its divisors is an integer number (59496030).

Almost surely, 2^550423678 is an apocalyptic number.

550423678 is a deficient number, since it is larger than the sum of its proper divisors (401512802).

550423678 is a wasteful number, since it uses less digits than its factorization.

550423678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348051.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 550423678 is about 23461.1099055437. The cubic root of 550423678 is about 819.5315974501.

The spelling of 550423678 in words is "five hundred fifty million, four hundred twenty-three thousand, six hundred seventy-eight".