550403045 has 8 divisors (see below), whose sum is σ = 660633720. Its totient is φ = 440222400.

The previous prime is 550402969. The next prime is 550403059. The reversal of 550403045 is 540304055.

It can be written as a sum of positive squares in 4 ways, for example, as 51595489 + 498807556 = 7183^2 + 22334^2 .

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

It is not a de Polignac number, because 550403045 - 2¹⁶ = 550337509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18851 + ... + 38159.

It is an arithmetic number, because the mean of its divisors is an integer number (82579215).

Almost surely, 2^550403045 is an apocalyptic number.

It is an amenable number.

550403045 is a deficient number, since it is larger than the sum of its proper divisors (110230675).

550403045 is a wasteful number, since it uses less digits than its factorization.

550403045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25015.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 550403045 is about 23460.6701737184. The cubic root of 550403045 is about 819.5213570920.

It can be divided in two parts, 55040 and 3045, that added together give a palindrome (58085).

The spelling of 550403045 in words is "five hundred fifty million, four hundred three thousand, forty-five".