550646426 has 8 divisors (see below), whose sum is σ = 901057824. Its totient is φ = 250293820.

The previous prime is 550646413. The next prime is 550646431. The reversal of 550646426 is 624646055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×550646426² = 606422972933146952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550646426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12514670 + ... + 12514713.

It is an arithmetic number, because the mean of its divisors is an integer number (112632228).

Almost surely, 2^550646426 is an apocalyptic number.

550646426 is a deficient number, since it is larger than the sum of its proper divisors (350411398).

550646426 is a wasteful number, since it uses less digits than its factorization.

550646426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029396.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 550646426 is about 23465.8566006016. The cubic root of 550646426 is about 819.6421331533.

The spelling of 550646426 in words is "five hundred fifty million, six hundred forty-six thousand, four hundred twenty-six".