550655005 has 4 divisors (see below), whose sum is σ = 660786012. Its totient is φ = 440524000.

The previous prime is 550654999. The next prime is 550655009. The reversal of 550655005 is 500556055.

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 199204996 + 351450009 = 14114^2 + 18747^2 .

It is not a de Polignac number, because 550655005 - 2⁷ = 550654877 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 (550655009) 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, 55065496 + ... + 55065505.

It is an arithmetic number, because the mean of its divisors is an integer number (165196503).

Almost surely, 2^550655005 is an apocalyptic number.

It is an amenable number.

550655005 is a deficient number, since it is larger than the sum of its proper divisors (110131007).

550655005 is a wasteful number, since it uses less digits than its factorization.

550655005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110131006.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 550655005 is about 23466.0393973930. The cubic root of 550655005 is about 819.6463897706.

The spelling of 550655005 in words is "five hundred fifty million, six hundred fifty-five thousand, five".