551055099 has 16 divisors (see below), whose sum is σ = 850334720. Its totient is φ = 310901760.

The previous prime is 551055083. The next prime is 551055121. The reversal of 551055099 is 990550155.

It is a happy number.

It is not a de Polignac number, because 551055099 - 2⁴ = 551055083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551055199) 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 15 ways as a sum of consecutive naturals, for example, 164422 + ... + 167739.

It is an arithmetic number, because the mean of its divisors is an integer number (53145920).

Almost surely, 2^551055099 is an apocalyptic number.

551055099 is a deficient number, since it is larger than the sum of its proper divisors (299279621).

551055099 is a wasteful number, since it uses less digits than its factorization.

551055099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332250.

The product of its (nonzero) digits is 50625, while the sum is 39.

The square root of 551055099 is about 23474.5628074305. The cubic root of 551055099 is about 819.8448541498.

The spelling of 551055099 in words is "five hundred fifty-one million, fifty-five thousand, ninety-nine".