550250005 has 4 divisors (see below), whose sum is σ = 660300012. Its totient is φ = 440200000.

The previous prime is 550250003. The next prime is 550250017. The reversal of 550250005 is 500052055.

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 404854641 + 145395364 = 20121^2 + 12058^2 .

It is not a de Polignac number, because 550250005 - 2¹ = 550250003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550250003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55024996 + ... + 55025005.

It is an arithmetic number, because the mean of its divisors is an integer number (165075003).

Almost surely, 2^550250005 is an apocalyptic number.

It is an amenable number.

550250005 is a deficient number, since it is larger than the sum of its proper divisors (110050007).

550250005 is a wasteful number, since it uses less digits than its factorization.

550250005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110050006.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 550250005 is about 23457.4083180559. The cubic root of 550250005 is about 819.4453938649.

The spelling of 550250005 in words is "five hundred fifty million, two hundred fifty thousand, five".