551227497 has 8 divisors (see below), whose sum is σ = 741713280. Its totient is φ = 364113360.

The previous prime is 551227489. The next prime is 551227543. The reversal of 551227497 is 794722155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551227497 - 2³ = 551227489 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (551227427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842529 + ... + 843182.

It is an arithmetic number, because the mean of its divisors is an integer number (92714160).

Almost surely, 2^551227497 is an apocalyptic number.

It is an amenable number.

551227497 is a deficient number, since it is larger than the sum of its proper divisors (190485783).

551227497 is a wasteful number, since it uses less digits than its factorization.

551227497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685823.

The product of its digits is 176400, while the sum is 42.

The square root of 551227497 is about 23478.2345375456. The cubic root of 551227497 is about 819.9303415941.

The spelling of 551227497 in words is "five hundred fifty-one million, two hundred twenty-seven thousand, four hundred ninety-seven".