550213445 has 4 divisors (see below), whose sum is σ = 660256140. Its totient is φ = 440170752.

The previous prime is 550213439. The next prime is 550213459. The reversal of 550213445 is 544312055.

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 242175844 + 308037601 = 15562^2 + 17551^2 .

It is a cyclic number.

It is not a de Polignac number, because 550213445 - 2¹² = 550209349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55021340 + ... + 55021349.

It is an arithmetic number, because the mean of its divisors is an integer number (165064035).

Almost surely, 2^550213445 is an apocalyptic number.

It is an amenable number.

550213445 is a deficient number, since it is larger than the sum of its proper divisors (110042695).

550213445 is a wasteful number, since it uses less digits than its factorization.

550213445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042694.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 550213445 is about 23456.6290203857. The cubic root of 550213445 is about 819.4272447891.

The spelling of 550213445 in words is "five hundred fifty million, two hundred thirteen thousand, four hundred forty-five".