551983327 has 8 divisors (see below), whose sum is σ = 641180192. Its totient is φ = 465372000.

The previous prime is 551983309. The next prime is 551983331. The reversal of 551983327 is 723389155.

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 551983327 - 2⁷ = 551983199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551983357) 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, 645924 + ... + 646777.

It is an arithmetic number, because the mean of its divisors is an integer number (80147524).

Almost surely, 2^551983327 is an apocalyptic number.

551983327 is a deficient number, since it is larger than the sum of its proper divisors (89196865).

551983327 is a wasteful number, since it uses less digits than its factorization.

551983327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292769.

The product of its digits is 226800, while the sum is 43.

The square root of 551983327 is about 23494.3254212586. The cubic root of 551983327 is about 820.3049267500.

The spelling of 551983327 in words is "five hundred fifty-one million, nine hundred eighty-three thousand, three hundred twenty-seven".