551405433 has 8 divisors (see below), whose sum is σ = 753139296. Its totient is φ = 358637600.

The previous prime is 551405431. The next prime is 551405447. The reversal of 551405433 is 334504155.

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 551405433 - 2¹ = 551405431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551405433.

It is not an unprimeable number, because it can be changed into a prime (551405431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241363 + ... + 2241608.

It is an arithmetic number, because the mean of its divisors is an integer number (94142412).

Almost surely, 2^551405433 is an apocalyptic number.

It is an amenable number.

551405433 is a deficient number, since it is larger than the sum of its proper divisors (201733863).

551405433 is a wasteful number, since it uses less digits than its factorization.

551405433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483015.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 551405433 is about 23482.0236138200. The cubic root of 551405433 is about 820.0185564906.

Adding to 551405433 its reverse (334504155), we get a palindrome (885909588).

The spelling of 551405433 in words is "five hundred fifty-one million, four hundred five thousand, four hundred thirty-three".