551798266 has 8 divisors (see below), whose sum is σ = 871260480. Its totient is φ = 261378108.

The previous prime is 551798263. The next prime is 551798293. The reversal of 551798266 is 662897155.

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

It is not an unprimeable number, because it can be changed into a prime (551798263) 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, 7260466 + ... + 7260541.

It is an arithmetic number, because the mean of its divisors is an integer number (108907560).

Almost surely, 2^551798266 is an apocalyptic number.

551798266 is a deficient number, since it is larger than the sum of its proper divisors (319462214).

551798266 is a wasteful number, since it uses less digits than its factorization.

551798266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14521028.

The product of its digits is 907200, while the sum is 49.

The square root of 551798266 is about 23490.3866719984. The cubic root of 551798266 is about 820.2132431725.

The spelling of 551798266 in words is "five hundred fifty-one million, seven hundred ninety-eight thousand, two hundred sixty-six".