550177217 has 4 divisors (see below), whose sum is σ = 562972080. Its totient is φ = 537382356.

The previous prime is 550177169. The next prime is 550177231. The reversal of 550177217 is 712771055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712771055 = 5 ⋅142554211.

It is a cyclic number.

It is not a de Polignac number, because 550177217 - 2⁸ = 550176961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550177247) 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, 6397367 + ... + 6397452.

It is an arithmetic number, because the mean of its divisors is an integer number (140743020).

Almost surely, 2^550177217 is an apocalyptic number.

It is an amenable number.

550177217 is a deficient number, since it is larger than the sum of its proper divisors (12794863).

550177217 is a wasteful number, since it uses less digits than its factorization.

550177217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794862.

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 550177217 is about 23455.8567739488. The cubic root of 550177217 is about 819.4092597313.

The spelling of 550177217 in words is "five hundred fifty million, one hundred seventy-seven thousand, two hundred seventeen".