551055506 has 8 divisors (see below), whose sum is σ = 855086220. Its totient is φ = 266026768.

The previous prime is 551055451. The next prime is 551055529. The reversal of 551055506 is 605550155.

It can be written as a sum of positive squares in 2 ways, for example, as 549480481 + 1575025 = 23441^2 + 1255^2 .

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

It is a super-3 number, since 3×551055506³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4750421 + ... + 4750536.

Almost surely, 2^551055506 is an apocalyptic number.

551055506 is a deficient number, since it is larger than the sum of its proper divisors (304030714).

551055506 is a wasteful number, since it uses less digits than its factorization.

551055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500988.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 551055506 is about 23474.5714763870. The cubic root of 551055506 is about 819.8450559909.

It can be divided in two parts, 5510 and 55506, that added together give a palindrome (61016).

The spelling of 551055506 in words is "five hundred fifty-one million, fifty-five thousand, five hundred six".