550785005 has 4 divisors (see below), whose sum is σ = 660942012. Its totient is φ = 440628000.

The previous prime is 550784959. The next prime is 550785013. The reversal of 550785005 is 500587055.

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 162970756 + 387814249 = 12766^2 + 19693^2 .

It is a de Polignac number, because none of the positive numbers 2^k-550785005 is a prime.

It is a Duffinian number.

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, 55078496 + ... + 55078505.

It is an arithmetic number, because the mean of its divisors is an integer number (165235503).

Almost surely, 2^550785005 is an apocalyptic number.

It is an amenable number.

550785005 is a deficient number, since it is larger than the sum of its proper divisors (110157007).

550785005 is a wasteful number, since it uses less digits than its factorization.

550785005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110157006.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 550785005 is about 23468.8091943328. The cubic root of 550785005 is about 819.7108860800.

The spelling of 550785005 in words is "five hundred fifty million, seven hundred eighty-five thousand, five".