551427017 has 4 divisors (see below), whose sum is σ = 558070800. Its totient is φ = 544783236.

The previous prime is 551426989. The next prime is 551427029. The reversal of 551427017 is 710724155.

551427017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 710724155 = 5 ⋅142144831.

It is a cyclic number.

It is not a de Polignac number, because 551427017 - 2¹⁰ = 551425993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551427517) 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, 3321767 + ... + 3321932.

It is an arithmetic number, because the mean of its divisors is an integer number (139517700).

Almost surely, 2^551427017 is an apocalyptic number.

It is an amenable number.

551427017 is a deficient number, since it is larger than the sum of its proper divisors (6643783).

551427017 is an equidigital number, since it uses as much as digits as its factorization.

551427017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643782.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 551427017 is about 23482.4831949264. The cubic root of 551427017 is about 820.0292558469.

The spelling of 551427017 in words is "five hundred fifty-one million, four hundred twenty-seven thousand, seventeen".