550444546 has 16 divisors (see below), whose sum is σ = 843913728. Its totient is φ = 269206000.

The previous prime is 550444529. The next prime is 550444561. The reversal of 550444546 is 645444055.

It is a super-2 number, since 2×550444546² = 605978396442292232, which contains 22 as substring.

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, 351 + ... + 33181.

It is an arithmetic number, because the mean of its divisors is an integer number (52744608).

Almost surely, 2^550444546 is an apocalyptic number.

550444546 is a deficient number, since it is larger than the sum of its proper divisors (293469182).

550444546 is a wasteful number, since it uses less digits than its factorization.

550444546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017.

The product of its (nonzero) digits is 192000, while the sum is 37.

The square root of 550444546 is about 23461.5546373210. The cubic root of 550444546 is about 819.5419541807.

It can be divided in two parts, 550 and 444546, that added together give a triangular number (445096 = T₉₄₃).

The spelling of 550444546 in words is "five hundred fifty million, four hundred forty-four thousand, five hundred forty-six".