550445045 has 4 divisors (see below), whose sum is σ = 660534060. Its totient is φ = 440356032.

The previous prime is 550445017. The next prime is 550445047. The reversal of 550445045 is 540544055.

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

It can be written as a sum of positive squares in 2 ways, for example, as 207417604 + 343027441 = 14402^2 + 18521^2 .

It is a cyclic number.

It is not a de Polignac number, because 550445045 - 2⁸ = 550444789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550445047) 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, 55044500 + ... + 55044509.

It is an arithmetic number, because the mean of its divisors is an integer number (165133515).

Almost surely, 2^550445045 is an apocalyptic number.

It is an amenable number.

550445045 is a deficient number, since it is larger than the sum of its proper divisors (110089015).

550445045 is a wasteful number, since it uses less digits than its factorization.

550445045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110089014.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 550445045 is about 23461.5652717375. The cubic root of 550445045 is about 819.5422018299.

The spelling of 550445045 in words is "five hundred fifty million, four hundred forty-five thousand, forty-five".