551026327 has 4 divisors (see below), whose sum is σ = 551073600. Its totient is φ = 550979056.

The previous prime is 551026309. The next prime is 551026337. The reversal of 551026327 is 723620155.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 723620155 = 5 ⋅144724031.

It is a cyclic number.

It is not a de Polignac number, because 551026327 - 2⁷ = 551026199 is a prime.

It is a super-2 number, since 2×551026327² = 607260026094221858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551026337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7674 + ... + 34072.

It is an arithmetic number, because the mean of its divisors is an integer number (137768400).

Almost surely, 2^551026327 is an apocalyptic number.

551026327 is a deficient number, since it is larger than the sum of its proper divisors (47273).

551026327 is a wasteful number, since it uses less digits than its factorization.

551026327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47272.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 551026327 is about 23473.9499658664. The cubic root of 551026327 is about 819.8305851673.

The spelling of 551026327 in words is "five hundred fifty-one million, twenty-six thousand, three hundred twenty-seven".