550427146 has 4 divisors (see below), whose sum is σ = 825640722. Its totient is φ = 275213572.

The previous prime is 550427123. The next prime is 550427167. The reversal of 550427146 is 641724055.

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

It can be written as a sum of positive squares in only one way, i.e., 547326025 + 3101121 = 23395^2 + 1761^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137606785 + ... + 137606788.

Almost surely, 2^550427146 is an apocalyptic number.

550427146 is a deficient number, since it is larger than the sum of its proper divisors (275213576).

550427146 is a wasteful number, since it uses less digits than its factorization.

550427146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275213575.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 550427146 is about 23461.1838149740. The cubic root of 550427146 is about 819.5333186271.

The spelling of 550427146 in words is "five hundred fifty million, four hundred twenty-seven thousand, one hundred forty-six".