551551017 has 8 divisors (see below), whose sum is σ = 767375424. Its totient is φ = 351713648.

The previous prime is 551550973. The next prime is 551551031. The reversal of 551551017 is 710155155.

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

It is a cyclic number.

It is not a de Polignac number, because 551551017 - 2⁶ = 551550953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551551097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996678 + ... + 3996815.

It is an arithmetic number, because the mean of its divisors is an integer number (95921928).

Almost surely, 2^551551017 is an apocalyptic number.

It is an amenable number.

551551017 is a deficient number, since it is larger than the sum of its proper divisors (215824407).

551551017 is a wasteful number, since it uses less digits than its factorization.

551551017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993519.

The product of its (nonzero) digits is 4375, while the sum is 30.

The square root of 551551017 is about 23485.1233124291. The cubic root of 551551017 is about 820.0907182005.

The spelling of 551551017 in words is "five hundred fifty-one million, five hundred fifty-one thousand, seventeen".