550907709 has 16 divisors (see below), whose sum is σ = 805756224. Its totient is φ = 332035200.

The previous prime is 550907681. The next prime is 550907711. The reversal of 550907709 is 907709055.

It is a happy number.

It is not a de Polignac number, because 550907709 - 2⁵ = 550907677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550907719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40144 + ... + 52089.

It is an arithmetic number, because the mean of its divisors is an integer number (50359764).

Almost surely, 2^550907709 is an apocalyptic number.

It is an amenable number.

550907709 is a deficient number, since it is larger than the sum of its proper divisors (254848515).

550907709 is a wasteful number, since it uses less digits than its factorization.

550907709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92428.

The product of its (nonzero) digits is 99225, while the sum is 42.

The square root of 550907709 is about 23471.4232418914. The cubic root of 550907709 is about 819.7717533484.

The spelling of 550907709 in words is "five hundred fifty million, nine hundred seven thousand, seven hundred nine".