550404146 has 8 divisors (see below), whose sum is σ = 833780844. Its totient is φ = 272477200.

The previous prime is 550404143. The next prime is 550404161. The reversal of 550404146 is 641404055.

It can be written as a sum of positive squares in 2 ways, for example, as 498405625 + 51998521 = 22325^2 + 7211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (550404143) 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, 1362185 + ... + 1362588.

Almost surely, 2^550404146 is an apocalyptic number.

550404146 is a deficient number, since it is larger than the sum of its proper divisors (283376698).

550404146 is a wasteful number, since it uses less digits than its factorization.

550404146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724876.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 550404146 is about 23460.6936385095. The cubic root of 550404146 is about 819.5219035355.

Subtracting 550404146 from its reverse (641404055), we obtain a palindrome (90999909).

The spelling of 550404146 in words is "five hundred fifty million, four hundred four thousand, one hundred forty-six".